The effectiveness of using Jigsaw strategy in mathematics achievement The students of the first intermediate class. Journal of the College of Basic Education, [S. l.], v. 29, n. 118, p. 514–497, 2023. DOI: 10.35950/cbej.v29i118.10217. Disponível em: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/10217.. Acesso em: 5 may. 2025.