Bassey K, Adebola F, Okoro C. A Cost Control Policy for Material Requirements Planning and Procurements. J. Nig. Assoc. Math. Phys. [Internet]. 2013 Jul. 18 [cited 2026 Sep. 28];16(1):515-20. Available from: https://www.ajol.info/index.php/jonamp/article/view/90999