Emmanuel , Ojo, et al. “EFFECTS OF GUIDED DISCOVERY APPROACH ON SENIOR SECONDARY TWO STUDENTS’ PERFORMANCE IN VOLUMETRIC ANALYSIS IN GOMBE, GOMBE STATE”. Impact International Journals and Publications, vol. 2, no. 4, Nov. 2026, pp. 814-23, https://www.impactinternationaljournals.com/index.php/ojs/article/view/982.