Özcan, Sami, and Ali Kemal Çelik. “A Comparison of TOPSIS, Grey Relational Analysis and COPRAS Methods for Machine Selection Problem in the Food Industry of Turkey”. International Journal of Production Management and Engineering 9, no. 2 (July 28, 2021): 81–92. Accessed February 24, 2024. https://ojs.upv.es/index.php/IJPME/article/view/14734.