PEVER, S. T.; ADAMU, A. M.; NYIKYAA, R. M. EFFECTS OF COLLABORATIVE STRATEGY ON DEVELOPMENT OF SELF-CONCEPT OF STUDENTS IN SOCIAL STUDIES. Billiri Journal of Education Studies, [S. l.], v. 1, n. 1, p. 32–40, 2023. Disponível em: https://billirijournals.com/index.php/bijes/article/view/7. Acesso em: 8 oct. 2025.