فهرس المقالات داود محمدپورزنجانی المقاله 1 - Concatenating Approach: Improving the Performance of Data Structure Implementation 10.7508/jist.2018.21.003 dmp dmp Ali Mahjur Journal of Information Systems and Telecommunication (JIST) , العدد 1 , السنة 6 , زمستان 2018 المقاله 2 - KSDB: Improving cloud database security by using searchable encrypted data Davud Mohammadpur Mahmood Khoeini Journal of Information Systems and Telecommunication (JIST) , العدد 2 , السنة 14 , زمستان 2026