Weam Gahsim Mergani, and Abo Obyida Mohammed Alahssen. “GPS and GSM Modem Integration for Enhancing Public Transportation Management Services”. Technology Horizon Journal (ISSN: 1858-6368), vol. 2, no. 1, Feb. 2018, pp. 26-29, https://thj.fu.edu.sd/index.php/thj/article/view/9.