[1]
A. Utama, M. P. Hadi, and E. Nurjani, “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., vol. 5, no. 2, pp. 266–278, Aug. 2021.