Razzaq, Hussien shakir, and Nerda Zura Zaibidi. “Improving The Control of Inventory Management Systems Using Robust Estimators in the Presence of Outliers”. Migration Letters 21, no. S5 (February 13, 2024): 274–286. Accessed April 8, 2025. https://migrationletters.com/index.php/ml/article/view/7711.