Novotná, J., Kozánek Kiss, T., Michal, J. and Vankúš, P. 2023. Comparison of different types of reasoning & proof present in solved tasks from geometry in Slovak and Czech mathematics textbooks for lower secondary school . Annales Universitatis Paedagogicae Cracoviensis | Studia ad Didacticam Mathematicae Pertinentia. 15, (Dec. 2023), 49–67. DOI:https://doi.org/10.24917/20809751.15.7.