الدراجي م. and الكيخيا ف. 2019. Manager's Perception of the Modern Marketing Concept and its Applications in the Libyan Industrial Organizations: A Field Re search of the Public Libyan Industrial Organizations in Benghazi. Dirasat in Economics and Business . 37, (Oct. 2019). DOI:https://doi.org/10.37376/deb.v37i.1167.