Natasia, S. R., Septyanto, A., Wiranti, Y. T. and Rohandi, F. (2024) “Administrative Service Information System at the ITK Integrated Service Unit using the Waterfall Method”, Jurnal Teknologi Dan Sistem Informasi Bisnis, 6(4), pp. 832-844. doi: 10.47233/jteksis.v6i4.1615.