List of Articles Mohammad Mahdi Hajmohamad Article 1 - PRFM Model Developed for the Separation of Enterprise Customers Based on the Distribution Companies of Various Goods and Services 20.1001.1.23222301.2020.6.3.3.5 10.30495/jsm.2021.678895 Mohammad Mahdi Hajmohamad Narges Rahimi Behzad Sasanizadeh Journal of System Management , Issue 5 , Year , Summer 2020