Abubakar, Usman Yusuf, and Danladi Hakimi. “A Software Solution to Lost Sales and Back Order Cases of Probabilistic Inventory System”. Asian Journal of Fuzzy and Applied Mathematics 2, no. 3 (June 15, 2014). Accessed April 26, 2024. https://ajouronline.com/index.php/AJFAM/article/view/1370.