Youcef, A., and M. L. Delhoum. “Human Capital As a Mechanism to Achieve Competitive Competitive Advantage in Algerian Economic Institutions - Field Study at the Operational Directorate of Algerie Telecom, Chlef Branch.”. Journal of Excellence for Economics and Management Research, Vol. 3, no. 1, June 2019, pp. 149-72, doi:10.34118/jeemr.v3i1.689.