ABDULLAHI, U., I. ADAMU, and M. SIRAJO. “Efficacy of Cooperative Learning Strategy on the Mathematics Performance of Senior Secondary School Students in Sokoto State”. Ilorin Journal of Education, vol. 42, no. 1, Apr. 2023, pp. 64-71, https://ije.unilorinedu.sch.ng/index.php/ije/article/view/54.