saefudin, dede firmansyah, W. Apriliah, lham Kurniawan, Y. Komalasari, M. F. Akbar, and R. -. “WATERFALL METHODS FOR APPLICATION OF ACCOUNTING INFORMATION SYSTEMS IN HOTEL INCOME MANAGEMENT CASE STUDY: CITRA GRAND HOTEL KARAWANG”. JURNAL TEKNOLOGI DAN OPEN SOURCE, Vol. 4, no. 1, June 2021, pp. 56-64, doi:10.36378/jtos.v4i1.1369.