TAIWO OLUWAKAYODE SARAYE. Influence of Extra Lesson on Students’ academic achievement in Chemistry Senior Student Secondary School Ibadan, Oyo Sate, Nigeria. International Journal of Natural Sciences: Current and Future Research Trends , Jordan, v. 21, n. 1, p. 29–39, 2024. Disponível em: https://ijnscfrtjournal.isrra.org/Natural_Sciences_Journal/article/view/1279. Acesso em: 22 sep. 2025.