Ajak, Ajak O. P., Ahmed E. Abdalla, and Mutasim Ali Mohamed Elagab. 2023. “The IMPACT OF PETROLEUM WASTES ON SOIL AND LOCAL ENVIRONMENT IN MELUT AND MABAN - UPPER NILE STATE- SOUTH SUDAN.”. IJRDO Journal of Forestry, Wild Life and Environment 9 (3), 1-8. https://ijrdo.org/index.php/few/article/view/5594.