The Effect of the Propeller Cards Strategy in Mental Focus of Intermediate Students Science for First-Year. Journal of the College of Basic Education, [S. l.], v. 30, n. 123, p. 239–256, 2024. DOI: 10.35950/cbej.v30i123.11307. Disponível em: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/11307.. Acesso em: 24 jun. 2026.