Hemba, S. and Usman, A.B. (2025) “Critical Factors of Effectiveness of Environmental Management Plan (EMP) of Oil and Gas Projects in the Niger Delta Region of Nigeria”, International Journal of Research in Interdisciplinary Studies, 3(8), pp. 84–92. Available at: https://journal.ijris.com/index.php/ijris/article/view/211 (Accessed: 9 September 2025).