Nguyen, T. and CảnhT. 2022. Research the drought characteristics of Ninh Thuan province through the Rainfall Anomaly Index (RAI), Standardized Precipitation Index (SPI), and the Moisture Index (MI). Science & Technology Development Journal: Natural Sciences. 6, 4 (Dec. 2022), 2415-2430. DOI:https://doi.org/https://doi.org/10.32508/stdjns.v6i4.1110.