The Effectiveness of a Proposed Teaching Strategy Using Geogebra Software in Improving the Mathematical Achievement of Second-Year Intermediate Students and Developing Their Deeper Understanding. East Journal of Human Science, [S. l.], v. 2, n. 4, p. 64–95, 2026. DOI: 10.63496/ejhs.Vol2.Iss4.289. Disponível em: https://eastpublication.com/index.php/ejhs/article/view/289.. Acesso em: 19 sep. 2026.