1. The use of smart phone app in university libraries: Scribd software model in the central library of Bordj Bou Arreridj University;harira;The Fifth National Forum on Smartphone Applications in Universities Reality and Prospects Abdel Hamid Mehri University - Institute of Library Science and Documentation,2016
2. The second generation of Internet services: an introduction to the study of Web 2.0 and libraries 2.0;khalifa;Cybrarians Journal,2009