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), [S. l.], v. 12, n. 14, p. 1590–1599, 2021. DOI: 10.17762/turcomat.v12i14.10481. Disponível em: https://textitlejournal.com/turcomat.org/index.php/turkbilmat/article/view/10481. Acesso em: 12 sep. 2025.