Khuat Hoang, Bình, and Thu Hương Nguyen. “Research on Determination of the Trinitrotoluene in Surface Warter by Solid-Phase Extraction With Liquid Chromatography Quadrupole Time-of-Fly Mass (UPLC-MS-QTOF)”. Journal of Military Science and Technology, no. VITTEP (December 20, 2022): 107–112. Accessed May 17, 2024. https://en.jmst.info/index.php/jmst/article/view/717.