Akintokunbo O, Obom O. Material Requirement Planning and Supply Chain Performance of Oil and Gas Firms in Rivers State, Nigeria. AJSCM [Internet]. 2021 Nov. 15 [cited 2025 Jul. 8];6(2):10 - 25. Available from: https://ajpojournals.org/journals/index.php/AJSCM/article/view/845