“The impact of applying TQM standards to performance of Ngueli Customs Station (Tchad)”, JDSE, vol. 2, no. 1, pp. 21–37, Dec. 2024, Accessed: Feb. 14, 2026. [Online]. Available: https://review.univ-oeb.dz/ojs.jdse/index.php/jdse/article/view/15