THI QUYNH, Nguyen et al. Optimizing the Analysis of Polycyclic Aromatic Hydrocarbons in Tea Samples. VNU Journal of Science: Natural Sciences and Technology, [S.l.], v. 35, n. 2, june 2019. ISSN 2588-1140. Available at: <https://js.vnu.edu.vn/NST/article/view/4892>. Date accessed: 17 may 2024. doi: https://doi.org/10.25073/2588-1140/vnunst.4892.