At Taufiq, Muhammad Hazbiallah, and Anita Hidayati. “Rancang Bangun Aplikasi Biro Travel Dengan SMS Gateway Dan Google Maps API”. MULTINETICS 2, no. 1 (May 19, 2016): 43–48. Accessed September 29, 2022. https://jurnal.pnj.ac.id/index.php/multinetics/article/view/1061.