Optimizing Eco-Friendly Inventory Investment for Deteriorating Products with Carbon Emission Control and Demand Sensitivity: A Pythagorean Fuzzy Approach under Cap-and-Trade Policies. Int J Sci Res Sci & Technol [Internet]. 2025 Jul. 19 [cited 2025 Jul. 23];12(4):475-88. Available from: https://ijsrst.com/index.php/home/article/view/IJSRST251311