Ighravwe, D. E., & Oke, S. A. (2021). A Green Preventive Maintenance Model Incorporating the Green Fuzzy Deployment Method with the WASPAS Approach for Production Lines: doi: 10.14456/mijet.2022.3. Engineering Access, 8(1), 22–30. Retrieved from https://ph02.tci-thaijo.org/index.php/mijet/article/view/243417