Hidayah, E. et al. 2025. Evaluating Error of Temporal Disaggregation from Daily into Hourly Rainfall using Heytos Model at Sampean Catchments Area. IPTEK The Journal for Technology and Science. 21, 1 (Jul. 2025), 23–28. DOI:https://doi.org/10.12962/j20882033.v21i1.5865.