M.K. Mondal, B.S. Mahapatra, Pinaki Pratim Acharjya, & M.B. Bera. (2024). Green Suppliers Selection through Extended Pythagorean Fuzzy WASPAS Approach. Research Updates in Mathematics and Computer Science Vol. 8, 90–106. https://doi.org/10.9734/bpi/rumcs/v8/610