Dr Houssam Kasti, Professor Zsolt Lavicza. “THE EFFECT OF ITERATIONS, COLLABORATION, AND DESIGNING GEOGEBRA MODULES ON IN-SERVICE SECONDARY MATHEMATICS TEACHERS”. Turkish Journal of Computer and Mathematics Education (TURCOMAT) 12, no. 14 (August 13, 2021): 1590–1599. Accessed June 21, 2025. https://www.turcomat.org/index.php/turkbilmat/article/view/10481.