Celik, Mirac Tuba, and Aytac Yildiz. “Evaluation of Green Innovation Criteria by Using Pythagorean Fuzzy AHP Method”. Journal of Engineering Research and Applied Science 11, no. 2 (December 31, 2022): 2185-2193. Accessed October 5, 2025. https://journaleras.com/index.php/jeras/article/view/293.