UTAMA, Aditya; HADI, Mohammad Pramono; NURJANI, Emilya. Geographic Information Systems Application to Drought Distribution Identification with Standardized Precipitation Index (SPI) Method in Trenggalek Regency. INTENSIF: Jurnal Ilmiah Penelitian dan Penerapan Teknologi Sistem Informasi, Indonesia, INA, v. 5, n. 2, p. 266–278, 2021. DOI: 10.29407/intensif.v5i2.15645. Disponível em: https://ojs.unpkediri.ac.id/index.php/intensif/article/view/15645. Acesso em: 27 jun. 2025.