medjedel, A. addelhafid 2017. The role of marketing communication ethics in increasing enterprise ‎competitiveness: A field study on a sample of consumers of ENIEM ‎products in Algeria. Dirassat Journal Economic Issue. 8, 3 (Jun. 2017), 07-23. DOI:https://doi.org/10.34118/djei.v8i3.225.