Vo VTN, Vo TV. 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 [Internet]. 2019 Dec. 25 [cited 2024 Sep. 8];(41):87-91. Available from: https://dthujs.vn/index.php/dthujs/article/view/291