HEMBA, Stephen; USMAN, Abdullahi Bala. 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, [S. l.], v. 3, n. 8, p. 84–92, 2025. Disponível em: https://journal.ijris.com/index.php/ijris/article/view/211.. Acesso em: 9 sep. 2025.