Emmanuel Shadrach Zanak, Muhammad AL-Bashir, Nnadikwe Johnson, and Okakpu Ogochukwu Judith. “Performance Evaluation of Pig Manure - Papaya Leaf Composite for Remediation of Crude Oil Polluted Soil”. Journal Majelis Paspama 4, no. 02 (October 2, 2026): 294–307. Accessed October 9, 2026. https://paspama.org/index.php/majelis/article/view/307.