فهرس المقالات Amir Pakmehr المقاله 1 - Coverage Improving with Energy Efficient in Wireless Sensor Networks 10.7508/jist.2017.17.008 Amir Pakmehr Ali Ghaffari Journal of Information Systems and Telecommunication (JIST) , العدد 1 , السنة 5 , زمستان 2017