The Effectiveness of Herrmann’s Model on the Academic Achievement of Second-Grade Intermediate Students in Mathematics. Journal of the College of Basic Education, [S. l.], v. 32, n. 138, p. 475–487, 2026. DOI: 10.35950/cbej.v32i138.16069. Disponível em: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/16069.. Acesso em: 1 nov. 2026.