Guerroumi, Hamid, and Hayat Mazouz. “Total Quality Management in Small and Medium Enterprises Prospects and Challenges”. Dirassat Journal Economic Issue 8, no. 3 (June 1, 2017): 231-245. Accessed May 30, 2023. http://journals.lagh-univ.dz/index.php/djei/article/view/242.