Atta Ur Rahman, and Fuyang Ke. “A USER-CENTERED TECHNICAL REQUIREMENTS FRAMEWORK FOR RELIABLE BEIDOU-BASED CONSUMER NAVIGATION IN CHINESE MEGA-CITIES”. Spectrum of Engineering Sciences 4, no. 2 (February 28, 2026): 1145–1187. Accessed October 9, 2026. https://thesesjournal.com.medicalsciencereview.com/index.php/1/article/view/2678.