Das K, Islam S. A multi-objective Shortage Follow Inventory (SFI) Model Involving Ramp-Type Demand, Time Varying Holding Cost and a Marketing Cost Under Neutrosophic Programming Approach. Neutrosophic Sets Syst. [Internet]. 2022 Apr. 1 [cited 2025 Jul. 1];49:48-69. Available from: https://fs.unm.edu/nss8/index.php/111/article/view/2469