Oktaviani, Anggi, Melan Susanti, Dahlia Sarkawi, and Tiara Adriani. 2019. “Designing a Railway Ticket Ordering Information System at PT Hotel Murah Travelindo Jakarta With Waterfall Method”. Sinkron : Jurnal Dan Penelitian Teknik Informatika 3 (2):167-74. https://doi.org/10.33395/sinkron.v3i2.10063.