[1]
2023. The Prediction of The Drought Index in The Indragiri Watershed Using SARIMA and SPI Methods. Sainmatika: Jurnal Ilmiah Matematika dan Ilmu Pengetahuan Alam. 20, 1 (Jun. 2023), 72–82. DOI:https://doi.org/10.31851/sainmatika.v20i1.11501.