The effect of the Rothkopf model on the achievement of fourth-grade students in Biology subject. Journal of the College of Basic Education, [S. l.], v. 22, n. 93, p. 149–164, 2022. DOI: 10.35950/cbej.v22i93.7748. Disponível em: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/7748.. Acesso em: 3 jul. 2024.