STUDY FLOOD HYDROGRAPH IN THE TANJUNG PARAK WATERSHED ON THE CONSTRUCTION OF PULAU TIGA RESERVOIR: Study Flood Hydrograph In The Tanjung Parak Watershed On The Construction Of Pulau Tiga Reservoir. infrastruktur. 2022;8(1):25-32. doi:10.35814/infrastruktur.v8i1.3186