Effects of Using Dynamic Geometry Activities on Eighth Grade Students' Achievement Levels and Estimation Performances in Triangles

Bilal Özçakır, Cahit Aytekin, Bülent Altunkaya, Bekir Kürşat Doruk
2015 Participatory Educational Research  
doi:10.17275/per.15.22.2.3 fatcat:iunbecelyrapffz6brxe3actue