List of Articles داود محمدپورزنجانی Article 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) , Issue 1 , Year 6 , Winter 2018 Article 2 - KSDB: Improving cloud database security by using searchable encrypted data 10.66224/jist.50894.14.53.50 Davud Mohammadpur Mahmood Khoeini Journal of Information Systems and Telecommunication (JIST) , Issue 2 , Year , Winter 2026