TRANG TRAN, Thi Thu, TRINH, Le Hung, THAO DO, Thi Phuong and LE, Van Phu. Drought risk assessment in Quang Tri Province, Vietnam using Landsat multi-temporal remote sensing data and machine learning algorithm. Bulletin of Geography. Physical Geography Series. Online. 26 January 2026. No. 30, pp. 25-37. [Accessed 2 February 2026]. DOI 10.12775/bgeo-2026-0002.