فهرس المقالات Ali Hatami المقاله 1 - Language Model Adaptation Using Dirichlet Class Language Model Based on Part-of-Speech 10.7508/jist.2014.01.005 Ali Hatami احمد اکبری Babak Nasersharif Journal of Information Systems and Telecommunication (JIST) , العدد 1 , السنة 2 , زمستان 2014