PERELAH LO, NELSON M, ISOBO S, LEKA K- nobama P. CAUSES OF MASS FAILURE OF MATHEMATICS IN SENIOR SECONDARY SCHOOL CERTIFICATE EXAMINATION IN BAYELSA STATE. SAJOSTE [Internet]. 2023 Feb. 28 [cited 2026 Apr. 25];1(2):8-22. Available from: https://ijbcoejournals.com/index.php/sajoste/article/view/94