Amin, keramatpanah, Kambiz Shahroodi, Saeed Yavarpour, and Mohsen Keramatpanah. 2016. “A Mathematical Model Designing to Achieve Cost Management in Value Chain With Combinational Approach of AHP & GP: (Case Study: Home Appliance Industries)”. SOCRATES 4 (1). Kanpur City, India:30-51. https://www.socratesjournal.com/index.php/SOCRATES/article/view/179.