Taiwo Oluwakayode Saraye. 2024. “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 21 (1): 29-39. https://ijnscfrtjournal.isrra.org/Natural_Sciences_Journal/article/view/1279.