The effect of using the Daniel and Klosemeyer educational models on the acquisition of biology concepts and the attitude towards matter among middle school students. Journal of the College of Basic Education, [S. l.], v. 15, n. 56, p. 625–652, 2023. DOI: 10.35950/cbej.v15i56.9407. Disponível em: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/9407.. Acesso em: 3 jul. 2024.