Oktaviani, A., Susanti, M., Sarkawi, D. and Adriani, T. 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 (Mar. 2019), 167-174. DOI:https://doi.org/10.33395/sinkron.v3i2.10063.