Analisis Kekeringan dengan Metode Standardized Precipitation Index (SPI) di Kabupaten Bantul. Surya Beton : Jurnal Ilmu Teknik Sipil, [S. l.], v. 8, n. 1, p. 55–62, 2024. DOI: 10.37729/suryabeton.v8i1.4719. Disponível em: https://jurnal.umpwr.ac.id/index.php/suryabeton/article/view/4719. Acesso em: 9 sep. 2026.