(1)
Utama, A.; Hadi, M. P.; Nurjani, E. Geographic Information Systems Application to Drought Distribution Identification With Standardized Precipitation Index (SPI) Method in Trenggalek Regency. INTENSIF: J. Ilm. Penelit. dan Penerap. Tek. Sist. Inf. 2021, 5, 266-278.