Examining Differentiated Instruction Approach in Improving Students’ Academic Achievement in Biology in Ibadan Secondary Schools in Nigeria. Journal of Innovations in Educational Assessment, [S. l.], v. 7, n. 1, p. 289–300, 2025. DOI: 10.66545/mnbwqf47. Disponível em: https://journal.iaiiea.org/index.php/jiea/article/view/15. Acesso em: 2 apr. 2026.