@article{paperid:1059828, author = {Dadrasmoghadam, Amir and Ghorbani, Mohammad and Karbasi, Ali Reza and Kohansal, Mohammad Reza}, title = {Determining the Optimum Brands Diversity of Cheese Using PSO (Case Study: Mashhad)}, journal = {Industrial Engineering and Management Systems}, year = {2016}, volume = {15}, number = {4}, month = {December}, issn = {1598-7248}, pages = {318--323}, numpages = {5}, keywords = {brand diversity; share brand; PSO algorithms; seemingly unrelated regression}, }