Elhasbi, Abbes, Jihad Jami, and Said Kammas. 2015. “SUSTAINABLE TRANSPORT IN MOROCCO: WHAT CONTINGENCY FACTORS FOR WHICH MATURITY LEVEL? CASE OF ROAD HAULAGE ‘RH’ SERVICE PROVIDERS IN THE REGION OF CASABLANCA METROPOLIS”. European Scientific Journal, ESJ 11 (29). https://eujournal.org/index.php/esj/article/view/6345.