Pham Cong, M., N. Pham Quoc, N. Trinh Thi Anh, and K. Le Anh. “Determination of Ofloxacin Antibiotic Residues in Wastewater by High Performance Liquid Chromatography With Mass Spectrometry (LC-MS)”. Journal of Military Science and Technology, no. CBNCT, Nov. 2021, pp. 200-6, https://jmst.mod.gov.vn/index.php/jmst/article/view/2471.