The Integrative Model (STEM) and its effect on the achievements of mathematics. Journal of the College of Basic Education, [S. l.], v. 25, n. 105, p. 57–79, 2019. DOI: 10.35950/cbej.v25i105.4755. Disponível em: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/4755.. Acesso em: 4 jun. 2026.