الألي الرافع, Khalid Erraougui, Abdelilah Bouchibi, and Thami Daiboun. “The Role of the Tertiary Sector in the Economy of Road Agglomerations: The Case of the City of Sidi Allal El Bahraoui (Province of Khémisset, Moroccco)”. Wisdom Journal For Studies & Research 1, no. 2 (September 30, 2021): 243–259. Accessed May 5, 2024. https://uojawjournals.education/index.php/jwrs/article/view/33.