Ahmad, Jamil, Juiping Xu, Muhammad Nazam, and Muhammad Kashif Javed. 2015. “A Fuzzy Linguistic VIKOR Multiple Criteria Group Decision Making Method for Supplier Selection”. International Journal of Sciences: Basic and Applied Research (IJSBAR) 19 (1):1-16. https://gssrr.org/index.php/JournalOfBasicAndApplied/article/view/3149.