Agu A, Ojo E, Yusuf O, Bege I. EFFECTS OF SPIDER CONCEPT MAPPING STRATEGY ON ACHIEVEMENT IN MOLE CONCEPT AMONG SS2 STUDENTS IN NASSARAWA EGGON. iijp. 2026;2(4):18-27. Accessed November 12, 2026. https://www.impactinternationaljournals.com/index.php/ojs/article/view/894