91̽»¨

Julia Tsygan, Ola Helenius
Mediating mathematics. Proceedings of Madif 14., Red. Häggström, J., Kilhamn, C., Mattsson, L., Palmér, H., Perez, M., Pettersson, K., Röj-Lindberg, A.-S. & Teledahl, A. - 2024

Anna Teledahl, Cecilia Kilhamn, Linda Marie Ahl, Ola Helenius
MATHEMATICS EDUCATION RESEARCH JOURNAL - 2024

Linda Marie Ahl, Ola Helenius
Proceedings of the International Group for the Psychology of Mathematics Education - 2024

Anne Tossavainen, Ola Helenius
Mathematics Teacher Education and Development - 2024

Ola Helenius, Linda Marie Ahl
2024

Ola Helenius, Linda Marie Ahl
2024

Ola Helenius, Uffe Tomas Jankvist, Linda Marie Ahl, Mario Sánchez Aguilar
Proceedings of the Thirteenth Congress of the European Society for Research in Mathematics Education (CERME13). - 2023

David Nordqvist, Linda Marie Ahl, Ola Helenius
Proceedings of the Thirteenth Congress of the European Society for Research in Mathematics Education (CERME13). - 2023

Tuula Koljonen, Ola Helenius, Linda Marie Ahl
Proceedings of the Thirteenth Congress of the European Society for Research in Mathematics Education (CERME13) - 2023

Julia Tsygan, Ola Helenius, Linda Marie Ahl
Proceedings of the Thirteenth Congress of the European Society for Research in Mathematics Education (CERME13). - 2023

Mario Sánchez Aguilar, Linda Marie Ahl, Uffe Tomas Jankvist, Ola Helenius
Proceedings of the Thirteenth Congress of the European Society for Research in Mathematics Education (CERME13) - 2023

Mario Sanchez Aguilar, Linda Marie Ahl, Uffe Thomas Jankvist, Ola Helenius
Implementation and Replication Studies in Mathematics Education - 2023

Linda Marie Ahl, Ola Helenius, Mario Sánchez Aguilar, Uffe Tomas Jankvist, Morten Misfeldt, Johan Prytz
Implementation and replication studies in mathematics education - 2023

Ola Helenius, Linda Marie Ahl
2023

Anna Teledahl, Cecilia Kilhamn, Ola Helenius, Linda Marie Ahl
For the Learning of Mathematics - 2023

Linda Marie Ahl, Ola Helenius
Uffe Thomas Jankvist & Eirini Geraniou (eds.), Mathematical Competencies in the Digital Era - 2023

Ola Helenius, Linda Marie Ahl, Tuula Koljonen
Implementation and Replication Studies in Mathematics Education - 2022

Simon Skau, Ola Helenius, Kristoffer Sundberg, Lina Bunketorp Käll, Hans-Georg Kuhn
Trends in Neuroscience and Education - 2022

Cecilia Kilhamn, Kajsa Bråting, Ola Helenius, J. Mason
ZDM - the International Journal on Mathematics Education - 2022

J. Lindvall, Ola Helenius, K. Eriksson, A. Ryve
Scandinavian Journal of Educational Research - 2022

K. Eriksson, J. Lindvall, Ola Helenius, A. Ryve
Frontiers in Psychology - 2022

Ola Helenius
Proceedings of the Twelfth Congress of the European Society for Research in Mathematics Education (CERME12) - 2022

Tuula Koljonen, Ola Helenius, Linda Marie Ahl
Proceedings of the Twelfth Congress of the European Society for Research in Mathematics Education (CERME12) - 2022

Anna Teledahl, Ola Helenius, Cecilia Kilhamn, Linda Marie Ahl
Proceedings of the Twelfth Congress of the European Society for Research in Mathematics Education (CERME12) - 2022

Ola Helenius
Implementation and Replication Studies in Mathematics Education - 2021

K. Eriksson, J. Lindvall, Ola Helenius, A. Ryve
Frontiers in Education - 2021

L. M. Ahl, Ola Helenius
Scandinavian Journal of Educational Research - 2021

Linda Marie Ahl, Ola Helenius
Bringing Nordic mathematics education into the future. Preceedings of Norma 20. The ninth Nordic Conference on Mathematics Education Oslo, 2021 - 2021

Linda Marie Ahl, Ola Helenius
Sustainable mathematics education in a digitalized world. Proceedings of MADIF 12 - 2021

K. Eriksson, J. Lindvall, Ola Helenius, A. Ryve
Frontiers in Psychology - 2020

Görel Sterner, Ulrika Wolff, Ola Helenius
Scandinavian Journal of Educational Research - 2020

Ola Helenius, Linda Marie Ahl
TSG5, ICME: International congress of mathematics education - 2020

Ola Helenius, Linda Marie Ahl
TSG5, ICME: International congress of mathematics education - 2020

K. Eriksson, Ola Helenius, A. Ryve
Instructional 91̽»¨ - 2019

Morten Misfeldt, Atilla Szabo, Ola Helenius
Proceedings of the Eleventh Congress of the European Society for Research in Mathematics Education - 2019

Anna Ida Säfström, Ola Helenius, Linda Marie Ahl
Proceedings of the Eleventh Congress of the European Society for Research in Mathematics Education - 2019

A Seidouvy, Ola Helenius, M Schindler
Nordisk matematikkdidaktikk - Nordic Studies in Mathematics Education - 2019

Ola Helenius
Research in Mathematics Education - 2018

J. Lindvall, Ola Helenius, M. Wiberg
Teaching and Teacher Education - 2018

Ola Helenius, Linda Marie Ahl
EARLI SIG 17+25 - 2018

Abdel Seidouvy, Ola Helenius, Maike Schindler
Perspectives on professional development of mathematics teachers. Proceedings of MADIF 11 - 2018

Linda Marie Ahl, Ola Helenius
Perspectives on professional development of mathematics teachers. Proceedings of MADIF11: the eleventh research seminar of the Swedish Society for Research in Mathematics Education, Karlstad, January 23–24 2018 - 2018

Linda Marie Ahl, Ola Helenius
Proceedings of the 42nd Conference of the International Group for the Psychology of Mathematics Education - 2018

Cecilia Kilhamn, Ola Helenius, Peter Nyström
Proceedings of the 42nd Conference of the International Group for the Psychology of Mathematics Education (Vol. 1, pp. 273-297). E. Bergqvist, M. Österholm, C. Granberg, & L. Sumpter (Eds.) - 2018

Johan Wallin, Agneta Gulz, Anette Jahnke, Ola Helenius, Johan Wallin
2017

Agneta Gulz, Johan Wallin , Anette Jahnke, Ola Helenius
2017

Johan Häggström, Eva Norén, Jorryt van Bommel, Judy Sayers, Ola Helenius, Yvonne Liljekvist
2017

F. Nemmi, E. Helander, Ola Helenius, R. Almeida, M. Hassler, P. Rasanen, T. Klingberg
Developmental Cognitive Neuroscience - 2016

Tamsin. Meaney, Ola Helenius, Maria L. Johansson, Troels. Lange, Anna. Wernberg
2016

Ola Helenius, Maria L. Johansson, Troels Lange, Tamsin Meaney, Anna Wernberg
2016

Ola Helenius, Maria L Johansson, T Lange, Tamsin Meaney, Anna Wernberg
Nordisk matematikkdidaktikk - Nordic Studies in Mathematics Education - 2016

Elisabeth Rystedt, Cecilia Kilhamn, Ola Helenius
Nordisk matematikkdidaktikk - Nordic Studies in Mathematics Education - 2016

Elisabeth Rystedt, Ola Helenius, Cecilia Kilhamn
Journal of Mathematical Behavior - 2016

Jesper Boesen, Ola Helenius, Bengt Johansson
ZDM - the International Journal on Mathematics Education - 2015

Thomas Lingefjärd, Malmö Högskola Håkan Sollervall, Malmö Högskola Ulrika Ryan, Ola Helenius
Skolverket , 2015. , 11 s. - 2015

Malmö Högskola Håkan Sollervall, Ola Helenius, Thomas Lingefjärd
Skolverket , 2015. - 2015

Ola Helenius, Malmö Högskola Håkan Sollervall, Thomas Lingefjärd
Skolverket , 2015. , 5 s. - 2015

Thomas Lingefjärd, Malmö Högskola Håkan Sollervall, Ola Helenius
Skolverket , 2015. , 8 s. - 2015

Thomas Lingefjärd, Malmö Högskola Håkan Sollervall, Ola Helenius
Skolverket , 2015. , 6 s. Lärportalen för matematik Grundskola åk 7-9, - 2015

Karin Wallby, Ulrica Dahlberg, Ola Helenius, Johan Häggström, Anders Wallby
2014

Ola Helenius
Origo - 2014

Görel Sterner, Ola Helenius, Karin Wallby
2014

Jesper Boesen, Ola Helenius, Ewa Bergqvist, Tomas Bergqvist, Johan Lithner, Torulf Palm, Björn Palmberg
Journal of Mathematical Behavior - 2013

Ola Helenius
Origo - 2013

Elisabet Doverborg, Ola Helenius, Görel Sterner, Lena Trygg, Karin Wallby
2013

Ola Helenius
Origo - 2013

Ola Helenius
Nämnaren - 2012

Ola Helenius
Nämnaren - 2012

Ola Helenius, Anette Jahnke
Nämnaren - 2011

Ola Helenius
Bergius, Berit, Emanuelsson, Göran, Emanuelsson, Lillemor et al. (red.) (2011). Matematik - ett grundämne - 2011

Ola Helenius
Bergius, Berit, Emanuelsson, Göran, Emanuelsson, Lillemor et al. (red.) (2011). Matematik - ett grundämne - 2011

Ola Helenius
Nordic Studies in Mathematics Education - 2010

Elisabet Doverborg, Görel Sterner, Ola Helenius
Nämnaren - 2010

Ola Helenius
Nämnaren - 2010

Ola Helenius
Nämnaren - 2009

Ola Helenius, Lars Mouwitz
Nämnaren - 2009

Ola Helenius
Nordisk matematikkdidaktikk - 2009

Jesper Boesen, Ola Helenius
Revue internationale d'éducation - Sevres - 2009

Ola Helenius, Lars Mouwitz
2009

Ola Helenius
Nämnaren - 2008

Ola Helenius
Nämnaren - 2008

Ola Helenius, Karin Wallby
2008

Ola Helenius
Nämnaren - 2006

Ola Helenius
Nämnaren - 2005

Ola Helenius, Görel Sterner
Nämnaren - 2005

Ola Helenius
Nämnaren - 2005

Ola Helenius, Johan Häggström
Nämnaren - 2004

Ola Helenius
Nämnaren - 2004

Ola Helenius, Rudolf Strässer, Gerd Brandell, Barbro Grevholm
2004

Ola Helenius
2002

Ola Helenius, Alexander Stolin
2002

Ola Helenius, Alexander Stolin
2002

Ola Helenius
2001

Ola Helenius, Alexander Stolin
2001

Ola Helenius, Alexander Stolin
2001

Ola Helenius, Alexander Stolin
2000

Ola Helenius
1999