Quynh, Tran, Nguyen Son, Nguyen Ha, and Nguyen Sang. 2025. “Analysis of Some Toxic Elements in Water at Dankia–Suoi Vang Lake Using Total Reflection X– Ray Fluorescence (txrf) Technique”. VNUHCM Journal of Natural Sciences 9 (4), 3502-8. https://doi.org/https://doi.org/10.32508/stdjns.v9i4.1430.