Arizona, N.D., Yulia, Y. and Adwiya, R. 2023. Implementation of the Waterfall Method in Designing and Building an Income and Cost Management Information System: Case study: Limited Liability Company Adau Kapuas. Bulletin of Computer Science and Electrical Engineering. 4, 2 (Dec. 2023), 65–76. DOI:https://doi.org/10.25008/bcsee.v4i2.1183.