-Brand management ( M1 Marketing des Services )
Abdelhak .S. , Graa.A., (2025).Familiarity Breeds Value: The Power Of Online Shopping Experience In Driving E-Commerce Behavior. Marketing and Digital Technologies,9(4)
Abdelhak .S. , Graa.A., (2022). La valeur perçue des plateformes de E-commerce : Le rôle modérateur des caractéristiques sociodémographiques. Journal des études financières comptables et managériales, 9(2)
Graa.A. , Abdelhak .S., (2020). The determinants of electronic word of mouth’ influence in algerian consumer choice :the case of restaurant industry. Acta Oeconomica Universitatis Selye International scientific journal, , 9(2)
Abdelhak .S. , Graa.A ,( 2019).La segmentation des utilisateurs des réseaux sociaux : Une étude empirique sur le f-commerce. Economic Researcher Review, 7(1).
Graa.A, Abdelhak.S., (2018). Impact Of Social Commerce On Algerian Purchase Behavior: Study Of Facebook Usage. 14th International Conference on Knowledge, Economy & Management Program / Halkalı-İstanbul, Turkey. April 20-22, 2018.
Abdelhak .S. , Graa.A., (2018). Le comportement d’achat impulsif dans le contexte du social E-commerce. 7ème édition du Colloque International de Marketing Hammamet 2 et 3 Mars 2018.
Abdelhak .S. , Graa.A., (2021).Assessing perceived quality of e commerce websites and its impact on algerian consumer behavior. International Black Sea Coastline Countries Symposium-Vi, Giresun, TURKEY. April 28-30, 2021.
Doctorate in Commercial Sciences, specialization : services marketing. Faculty of Economics, Business and Management Sciences, Djillali Liabès University, Sidi Bel Abbes. 2020.
Master’s degree in Commercial Sciences, Specialization: Marketing .Faculty of Economics, Business and Management Sciences, Djillali Liabès University, Sidi Bel Abbes. 2016.
Bachelor’s degree in Commerciale Sciences, Specialization : Marketing, Faculty of Economics, Business and Management Sciences, Djillali Liabès University ,Sidi Bel Abbes .2014.
D.U.E.A in business informatics , .Faculty of Economics, Business and Management Sciences, Djillali Liabès University,Sidi Bel Abbes .2002.
Baccalaureate in natural and life sciences, Si El-Haoues High school, Sidi Bel Abbes..1999.
Recruitment at the Higher School in Computer Science May 8, 1945, Sidi-Bel-Abbès. 2026
Temporary teacher at the Faculty of Economics, Business and Management Sciences (UDL). 2017-2026.
Administrator at the faculty of medicine. , Djillali Liabès University .Sidi-Bel-Abbès.2006-May 2026
