WILSON, Evelina. Effectiveness of problem-solving and student centred instructional strategies on students’ achievement in algebra: A systematic review. African Quarterly Social Science Review, [S. l.], v. 3, n. 4, p. 123–135, 2026. DOI: 10.51867/AQSSR.3.4.10. Disponível em: https://quarterlyreview.net/ojs/index.php/aqssr/article/view/745.. Acesso em: 10 oct. 2026.