Chiamsiri, Singha, Hui Ming Wee, and Hsiao Ching Chen. “Continuous-Review Inventory Models Using Diffusion Approximation for Bulk Queues”. International Journal of Industrial Engineering: Theory, Applications and Practice 19, no. 10 (January 17, 2013). Accessed November 25, 2024. https://ijietap.journals.publicknowledgeproject.org/index.php/ijie/article/view/354.