Ismail Jahidin, Harmona Daulay and Ilham Saladin (2020) “The phenomenon of conventional transportation in the digital era (Case study of City Transport in Medan)”, Technium Social Sciences Journal. Constanta, Romania, 14(1), pp. 601–615. Available at: https://www.techniumscience.com/index.php/socialsciences/article/view/2049 (Accessed: 17 April 2026).