Salifu, Hussein, Gabriel Nyamekye, and Adam Issahaku. “Effect of Some Performance Indicators of Mathematics in the Nalerigu Senior High School”. European Scientific Journal, ESJ 13, no. 3 (January 31, 2017): 429. Accessed April 18, 2025. https://test.eujournal.org/index.php/esj/article/view/8699.