Dr Eucharia Amaka Onu, et al. “TESTING THE EFFICACY OF CO-OPERATIVE LEARNING STRATEGY ON SENIOR SECONDARY STUDENTS’ ACHIEVEMENT IN PHYSICS IN KABBA BUNU EDUCATION ZONE, KOGI STATE, NIGERIA: IMPLICATIONS FOR EDUCATIONAL ADMINISTRATORS”. Well Testing Journal, vol. 35, no. 3, Oct. 2026, pp. 497-05, https://welltestingjournal.com/index.php/WT/article/view/354.