Irfan Ahmed Memon, et al. “FACTORS THAT INFLUENCE TRAVELERS’ WILLINGNESS TO USE OR NOT PARK-AND-RIDE SERVICE IN PUTRAJAYA AND KARACHI CBD”. PalArch’s Journal of Archaeology of Egypt Egyptology, vol. 18, no. 2, Feb. 2021, pp. 720-34, https://www.archives.palarch.nl/index.php/jae/article/view/7485.