Zabidi Y, Rengganis E, Harliyus A, S H, R FK. Application of ELECTRE and TOPSIS methods in selecting synthetic lubricating oil suppliers to minimize delays in aircraft maintenance activities . enrichment [Internet]. 2025Apr.26 [cited 2026May2];15(1):18-4. Available from: https://enrichment.iocspublisher.org/index.php/enrichment/article/view/2234