ElQuliti, Said Ali, and Abdoulrahman Gamil Elalem. “Feasibility Study for Establishing a Restaurant in Jeddah”. American Scientific Research Journal for Engineering, Technology, and Sciences 40, no. 1 (February 25, 2018): 143–167. Accessed May 2, 2024. https://asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/3924.