NEGEDU , S. A. EFFECT OF ADVANCE ORGANIZER ON STUDENTS’ ACHIEVEMENT IN SECONDARY SCHOOL BIOLOGY IN DEKINA LOCAL GOVERNMENT AREA OF KOGI STATE. Journal of Science, Technology and Mathematics Pedagogy, [S. l.], v. 1, n. 1, p. 217–226, 2023. Disponível em: https://jostmp-ksu.com.ng/index.php/jostmp/article/view/25. Acesso em: 16 sep. 2024.