PERELAH, L. O.; NELSON, M.; ISOBO, S.; LEKA, K.- nobama P. CAUSES OF MASS FAILURE OF MATHEMATICS IN SENIOR SECONDARY SCHOOL CERTIFICATE EXAMINATION IN BAYELSA STATE. Sagbama Journal Of Science & Technical Education, [S. l.], v. 1, n. 2, p. 8–22, 2023. Disponível em: https://ijbcoejournals.com/index.php/sajoste/article/view/94. Acesso em: 25 apr. 2026.