Firgiawan, W., Nirwana, H. , Wajidi, F. , Zainuddin, Z. and Ahyar, M. 2024. A Graph Theory Approach for Spatial Data-Based Surface Water Flow Modeling. SINTECH (Science and Information Technology) Journal. 7, 1 (Apr. 2024), 15–26. DOI:https://doi.org/10.31598/sintechjournal.v7i1.1480.