THI DUONG , Hanh; TRINH, Ha Thu; THANG, Phan Quang; DUNG, Nguyen Trung; DIEN, Nguyen Tran. Optimization of ultrasonication extraction for determination of 16 polycyclic aromatic hydrocarbons in air particle. <b>Vietnam Journal of Science and Technology</b>, Hanoi, VN, v. 56, n. 3, p. 324–334, 2018. DOI: 10.15625/2525-2518/56/3/11096. Disponível em: https://vjs.ac.vn/jst/article/view/11096. Acesso em: 10 jan. 2026.