فهرست مقالات Leila Jafar Tafreshi مقاله 1 - Preserving Data Clustering with Expectation Maximization Algorithm 10.7508/jist.2016.03.004 Leila Jafar Tafreshi Farzin Yaghmaee Journal of Information Systems and Telecommunication (JIST) , شماره 3 , سال 4 , تابستان 2016