Abdallah Adjila, Djaber Djafer. The Role Of Digital Document Management And Preservation In Improving Service Quality, A Case Study Of MOBILIS Mobile Company In Ghardaia Governorate In Algeria. kuey [Internet]. 2024 Jul. 24 [cited 2025 Sep. 26];30(7):1123-3. Available from: https://kuey.net/index.php/kuey/article/view/7123