Shuning Liu, Xuejian Cao (2021) “Real-Time Bus Passenger Flow Monitoring System during the Covid-19 Pandemic Based on Wi-Fi Probe”, Design Engineering, 2021(04), pp. 129 - 135. Available at: http://www.thedesignengineering.com/index.php/DE/article/view/1328 (Accessed: 17May2024).