- Building of schema of geometrical concepts2017 | Faculty of Education
- Didactic analysis of geometrical concepts, geometric examples2001 | Faculty of Education
- Does the circle centre belong to the circle?2020 | Faculty of Mathematics and Physics
- Understanding the concept of measure on primary school level2012 | Faculty of Education
- Relationship between normalized learning gains of individuals and their typical role in group discussions with peers2020 | Faculty of Mathematics and Physics
- STUDENTS' UNDERSTANDING OF AXIAL AND CENTRAL SYMMETRY2021 | Faculty of Mathematics and Physics
- Problems in Teaching Geometry2022 | Faculty of Mathematics and Physics
- Geometry in the Primary School is more than Patterns2014 | Faculty of Education
- Generic models in geometry2011 | Faculty of Education
- Students' concepts of geometric terms2020 | Faculty of Mathematics and Physics
- Kan's combinatorial spectra and their sheaves revisited2017 | Faculty of Mathematics and Physics
- Students' Concepts of the Trapezoid at the End of Lower Secondary Level Education2019 | Faculty of Mathematics and Physics
- MISCONCEPTIONS ABOUT THE RELATIONSHIP BETWEEN PERIMETER AND AREA2019 | Faculty of Education