Bella, Y., and F. Z. Kebbab. “Application of Fminsearch Optimization to Minimize Total Maintenance Cost With the Aim of Reducing Environmental Degradation”. Engineering, Technology & Applied Science Research 12, no. 3 (June 6, 2022): 8548–8554. Accessed July 18, 2024. https://etasr.com/index.php/ETASR/article/view/4887.