DERBOUN LOUBNA; BIJOU MOHAMMED. Social origin and academic achievement: What can hierarchical models bring by using PISA data?. African Scientific Journal, [S. l.], v. 3, n. 25, p. 023, 2024. DOI: 10.5281/zenodo.12805096. Disponível em: https://africanscientificjournal.com/index.php/AfricanScientificJournal/article/view/811. Acesso em: 28 juin. 2025.