András Ambrus, Institute of Mathematics, Faculty of Natural Sciences, Eötvös Lóránd University Budapest, Budapest, HUNGARY
Mette Andresen, Mathematics, Mathematics, Science and Technology, University of Bergen, Bergen, NORWAY
Elisha Arsenault, Groton, UNITED STATES
Igino Aschieri, Mathematics and Computer Science Department, Unità Locale di Ricerca in Didattica della Matematica, Parma, ITALY
Anna Baczko-Dombi, Institute of Philosophy and Sociology / Institute of Sociology, Polish Academy of Sciences/ University of Warsaw, Warsaw, POLAND
Agnieszka Banaśkiewicz, IV Liceum Ogólnokształcące im.E.Sczanieckiej, Łódź, POLAND
Ralf Benölken, Institut für Didaktik der Mathematik und der Informatik, University of Muenster, Münster, GERMANY
Gabriela Biel, Katedra Matematyki, Wydział Inżynierii Kształtowanie Środowiska i Geodezji, Uniwersytet Przyrodniczy we Wrocławiu, Wrocław, POLAND
Hubert Bożek, Institute of Philosophy and Sociology, Faculty of Humanities, Pedagogical University of Cracow, Cracow, POLAND
Nikola Budnicka, Szkoła Podstawowa nr 47, Szczecin, POLAND
Marianna Ciosek, Pedagogical University of Cracow (retired), POLAND
Valéria Csépe, Brain Imaging Centre, Research Centre of Natural Sciences of the Hungarian Academy of Sciences, Budapest, HUNGARY
Marek Czerni, Institute of Mathematics, Faculty of Mathematics, Physics and Technical Science, Pedagogical University, Kraków, POLAND
Barbara Di Blasio, Institute of Educational Sciences, Faculty of Humanities, University of Pécs, Pécs, HUNGARY
Grażyna Dobrowolska, Powiatowy Zespół szkół nr 2 im. KarolaMiarki, Pszczyna, POLAND
Gabriela Dolińska, nauczycielka matematyki, Zespół Szkół w Trzebini, Gimnazjum nr 3 im.Polskich Noblistów, Trzebinia, POLAND
Paul Ernest, Graduate School of Education, University of Exeter, Exeter, UNITED KINGDOM
Marlena Fila, Institute of Mathematics, Faculty of Mathematics, Physics and Technical Science, Pedagogical University of Cracow, Cracow, POLAND
Jolanta Gałecka, Young Digital Planet SA, Gdynia, POLAND
Maria Gokieli, ICM, University of Warsaw, Warszawa, POLAND
Alicja Goncerz, Zespół Szkół w Pilicy: Szkoła Podstawowa nr 1 i Gimnazjum nr 1, Pilica, POLAND
Alina Hapaniuk, Powiatowy Zespół Poradni Psychologiczno-Pedagogicznych w Wejherowie, Wejherowo 84-200, POLAND
Agata Hoffmann, Instytut Matematyczny, Wydział Matematyki i Informatyki, Uniwersytet Wrocławski, Wrocław, POLAND
Giroux Jacinthe, Département d'éducation et formation spécialisées, Éducation, Université du Québec à Montréal, Montréal, CANADA
Agnieszka Jackowska, Szkoła Podstawowa nr 47, Szczecin, POLAND
Marek Janasz, Pedagogical University of Cracow, POLAND
Ewelina Jantos, Wydział Historyczno-Pedagogiczny, Pedagogika, Uniwersytet Opolski, Opole, POLAND
Sándor Jenei, Institute of Mathematics and Informatics, Faculty of Natural Sciences, University of Pécs, Pécs, HUNGARY
Jakub Jernajczyk, Katedra Sztuki Mediów, Wydział Grafiki i Sztuki Mediów, Akademia Sztuk Pięknych im. Eugeniusza Gepperta we Wrocławiu, Wrocław, POLAND
BARBARA JURA, MATEMATYKA, ZESPOL SZKOLNO-PRZEDSZKOLNY NR 3, CZĘSTOCHOWA, POLAND
Edyta Juskowiak, Department of Didactics Mathematics, Faculty of Mathematics and Computer Science, Adam Mickiewicz University in Poznań, Poznań, POLAND
Alina Kalinowska, Katedra Wczesnej Edukacji, Wydział Nauk Społecznych, Uniwersytet Warmińsko-Mazurski, Olsztyn, POLAND
Michalina Kasprzak, Department of Elementary Education and Pedagogical Therapy, Faculty of Educational Studies, Adam Mickiewicz University, Poznań, POLAND
Agnieszka Kędzia-Kwaśnica, Gimnazjum nr 2 w Strzelinie, Strzelin, POLAND
Hyung Kim, University of Texas Pan American, Edinburg, UNITED STATES
Lidia Kołodziej, Matematyka, Szkoła Podstawowa nr 5, Lubin, POLAND
Małgorzata Kołsut, XIII LO im. Marii Piotrowiczowej w Łodzi, Łódź, POLAND
Magdalena Kosińska, Zespół Szkół im. Jana Pawła II w Laskach, Kępno, POLAND
Jarosław Kowalski, Matematyki, Uniwersytet Pedagogiczny w Krakowie, Kraków, POLAND
Elfrīda Krastiņa, The Faculty of Education and Management, Daugavpils University, Daugavpils, LATVIA
Magdalena Kubat, Pedagogical University of Cracow, POLAND
Anna Kucharzewska, Institute of Mathematics, Faculty of Mathematics, Physics and Technical Science, Pedagogical University of Cracow, Cracow, POLAND
Anna Laskowska, Gliwice, POLAND
István Lénárt, Center of Didactics of Mathematics, Faculty of Natural Sciences, Eötvös Loránd University, Budapest, HUNGARY
Zbigniew Leśniak, Institute of Mathematics, Faculty of Mathematics, Physics and Technical Science, Pedagogical University, Krakow, POLAND
Bożena Maj-Tatsis, Department of Mathematics and Natural Science, University of Rzeszow, Rzeszów, POLAND
Joanna Major, Institute of Mathematics, FACULTY OF MATHEMATICS, PHYSICS AND TECHNICAL SCIENCE, Pedagogical University of Cracow, Kraków, POLAND
Volha Malinouskaya, Institute of Pedagogical, Faculty of Pedagogical and Psychology, UMCS, Lublin, POLAND
Jacobus Gideon Maree, University of Pretoria, Education, University, Pretoria, SOUTH AFRICA
Ryszard Markowicz, Szkoła Podstawowa nr 74 im. Stanisława Grońskiego w Szczecinie, Szczecin, POLAND
Balbina Morawska, matematyki i informatyki, matematyka, fizyka, Uniwersytet Wrocławski, Wrocław, POLAND
Yuuki Mori, Computer and Information Sciences, Hosei, Tokyo, JAPAN
Manuela Moscucci, DIISM Department of Information Engeneering and Mathematics, University of Siena, Siena, ITALY
Bohdan Józef Naumienko, GlobalOne, Warszawa, POLAND
Eva Nováková, Department od Mathematics, Faculty of Education, Masaryk University, Brno, CZECH REPUBLIC
Jarmila Novotná, of Education, Charles University in Prague, Prague, CZECH REPUBLIC
Artur Nyklewicz, Institute of Mathematics, Faculty of Mathematics, Physics and Technical Science, Pedagogical University of Cracow, Kraków, POLAND
Anna Pająk, Instytut Matematyki, Uniwersytet Pedagogiczny, Kraków, POLAND
Markus Pantsar, Department of Philosophy, History, Culture and Art Studies, Faculty of Humanities, University of Helsinki, Helsinki, FINLAND
Antoni Pardała, Rzeszów, POLAND
Bożena Pawlik, Institute of Mathematics, Faculty of Mathematics, Physics and Technical Science, Pedagogical University of Cracow, Cracow, POLAND
Paweł Perekietka, Klaudyna Potocka Lyceum and Teachers Training Centre, Poznań, POLAND
Basia Pieronkiewicz, Institute of Mathematics, Pedagogical University, Cracow, POLAND
Jerzy Pogonowski, Linguistics, Modern Languages, Adam Mickiewicz University, Poznań, POLAND
Agnieszka Proszewska, Institute of Philosophy, Faculty of Philosophy, Jagiellonian University, Cracow, POLAND
Jerome Proulx, Département de mathématiques, Université du Québec à Montréal, Montréal, CANADA
Paweł Prysak, Department of Mathematics, Faculty of Finance, Cracow University of Economics, Cracow, POLAND
Tadeusz Ratusiński, Institute of Mathematics, Faculty of Mathematics, Pedagogical University of Cracow, Cracow, POLAND
Bożena Rożek, Institute of Mathematics, Faculty of Mathematics, Physics and Technical Science, Pedagogical University of Cracow, Cracow, POLAND
Eva Rudzinski, Math Department, Eva Rudzinski, Elgin Community College, Elgin, UNITED STATES
Miroslawa Sajka, Institute of Mathematics, Faculty of Mathematics, Physics and Technical Science, Pegdagogical University of Cracow, Cracow, POLAND
Imen Salhi, Faculty of Science Tunis, University Tunis ELmanar
Maria Samborska, Pedagogical University of Cracow, POLAND
Bernard Sarrazy, LACES "Anthropologie et diffusion des savoirs" team, Sciences de l'Education, Université de Bordeaux, Bordeaux, FRANCE
Alan Schoenfeld, Tolman Hall, MC 1670, Graduate School of Education, University of California at Berkeley, Berkeley, CA 94720, UNITED STATES
Joanna Sęk, Pedagogical University of Cracow, POLAND
Jeppe Skott, Department of Mathematics Education, Linnaeus University, Växjö, SWEDEN
Izabela Solarz, Uniwersytet Pedagogiczny w Krakowie, Kraków, POLAND
Anita Sondore, Department of Mathematics, The Faculty of Natural Sciences and Mathematics, Daugavpils University, Daugavpils, LATVIA
Ewa Staroń, Matematyka, Gimnazjum nr 24, Kraków, POLAND
Hannes Stoppel, Education of Mathematics and Computer Science, Mathematics and Computer Science, University of Münster, Münster, GERMANY
Joanna Stróżyk, Didactics of Mathematics, The Faculty of Mathematics and Computer Science, Adam Mickiewicz University in Poznań, Poznań, POLAND
Maria Supeł, Poradnia Psychologiczno-Pedagogiczna nr 4, Łódź, POLAND
Ewa Swoboda, Department of Mathematics and Natural Science, University of Rzeszów, Poland, Rzeszów, POLAND
Halina Syguda, Szkoła Podstawowa nr 47 im. Kornela Makuszyńskiego w Szczecinie, Szczecin, POLAND
Maciej M. Sysło, Mathematics and Computer Science, University of Wrocław, Wrocław, POLAND
Maria Syta, Inżynierii materiałowej i ceramiki, Akademia Górniczo-Hutnicza, Kraków, POLAND
Marcin Szpak, Interdisciplinary Centre for Mathematical and Computational Modelling, University of Warsaw, Warsaw, POLAND
Stefan Turnau, University of Rzeszów (retired), Rzeszów, POLAND
Elżbieta Urbańska, Institute of Mathematics, Faculty of Mathematics Physics and Technical Science, Pedagogical University of Cracow, Cracow, POLAND
Paola Vighi, Mathematics and Computer Science Department, University of Parma (Italy), Parma, ITALY
Shlomo Vinner, Faculty of Science, Hebrew University of Jerusalem, Jerusalem, ISRAEL
Joanna Wakoń, Szkoła Podstawowa im. Jana Pawła II, Majdan Nepryski, POLAND
Barbara Wawrzacz, Primary School in Stare Bielice, Stare Bielice, POLAND
Anna Widur, Studium Pedagogiczne, Uniwersytet Jagielloński, Kraków, POLAND
Erich Ch. Wittmann, IEEM, Dept.of Mathematics, Technische Universität Dortmund, Dortmund, GERMANY
Lidia Zaręba, Institute of Mathematics, Pegdagogical University of Cracow, Cracow, POLAND
Waclaw Zawadowski, Matematyki i Fizyki, Nauk Ścisłych, Uniwerstet Przyrodniczo-Humanistyczny w Siedlcach, Siedlce, POLAND
AGNIESZKA ZIĘTEK, NAUCZYCIEL MATEMATYKI, ZESPÓŁ SZKÓŁ SPOŁECZNYCH NR 2 W TARNOBRZEGU, TARNOBRZEG, POLAND
Marta Zygmunt, Zespół Szkół w Bicicach, Bibice, POLAND
