1.Dang Vu K, Ta Duc H, Ngo Thi Hai Y, Nguyen Khac A, Pham Thanh H, Weber C. Observation of coal mining activities in Ha Long and Cam Pha cities, Quang Ninh province, Vietnam using Sentinel-2 data . Vietnam J. Earth Sci. [Internet]. 2025 Jun. 9 [cited 2025 Nov. 8];47(2):272-89. Available from: http://vjes.vast.vn/jse/article/view/23010