Hidayati, N., and S. Sismadi. “Application of Waterfall Model In Development of Work Training Acceptance System”. INTENSIF: Jurnal Ilmiah Penelitian Dan Penerapan Teknologi Sistem Informasi, Vol. 4, no. 1, Feb. 2020, pp. 75-89, doi:10.29407/intensif.v4i1.13575.