Ardana, P.D.H. and Santika, K.P. 2024. Drainage Network Performance Mapping in the Tukad Ngenjung Sub-System Based on Geographic Information Systems (GIS) . Journal of Information System, Technology and Engineering. 2, 2 (Jun. 2024), 217–235. DOI:https://doi.org/10.61487/jiste.v2i2.72.