Utomo, Joko Budi, Eko Yuli Handoko, Muhammad Aldila Syariz, and Ardhasena Sopaheluwakan. 2025. “Developing Surface Rainfall Data Based on Blending of Satellite-Based Products and Rain Gauge Observations in the Ngawi Region, East Java”. JURNAL ILMU FISIKA | UNIVERSITAS ANDALAS 17 (2):110-24. https://doi.org/10.25077/jif.17.2.110-124.2025.