Vo, Vo Thi Nga, and Thuy Vi Vo. 2019. “Studying the Gas Chromatography of Spectrometry Mass Combined With the Head-Space Technique to Analyze Trihalomethanes in Ho Chi Minh City”. Dong Thap University Journal of Science, no. 41 (December):87-91. https://doi.org/10.52714/dthu.41.12.2019.755.