The effect of problem-centered education strategy in teaching systemic thinking skills in practical subject among, students of the College of Basic Education. Journal of the College of Basic Education, [S. l.], v. 29, n. 120, p. 271–259, 2023. DOI: 10.35950/cbej.v29i120.10770. Disponível em: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/10770.. Acesso em: 30 jun. 2024.