List of Articles mohammad Velayati Article 1 - Classifying the Customers of Telecommunication Company in order to Identify Profitable Customers Based on Their First Transaction, Using Decision Tree: A Case Study of System 780 20.1001.1.22519904.2019.12.2.5.4 10.22094/joie.2018.572783.1575 Mohammad Velayati Mohammadreza Shahriari Farhad Hosseinzadeh Lotfi Journal of Optimization in Industrial Engineering , Issue 26 , Year , Autumn 2019