Alfian Gani Firdaus, Handoko, and Arinda Leliana. “PROTOTYPE APLIKASI PENGATURAN PERJALANAN OPERASI KERETA API”. Prosiding Forum Studi Transportasi Antar Perguruan Tinggi, Apr. 2022, p. 681, https://ojs.fstpt.info/index.php/ProsFSTPT/article/view/759.