Emmanuel Shadrach Zanak, Muhammad AL-Bashir, Nnadikwe Johnson and Okakpu Ogochukwu Judith (2026) “Performance Evaluation of pig manure - Papaya leaf composite for Remediation of Crude oil Polluted Soil”, Journal Majelis Paspama, 4(02), pp. 294–307. Available at: https://paspama.org/index.php/majelis/article/view/307 (Accessed: 9 October 2026).