Nguyen Thi Thuy Trang, Duong Huu Huy, Le Thi Hong Anh. MULTIRESIDUE ANALYSIS FOR TWENTY-FOUR POLYCYCLIC AROMATIC HYDROCARBONS IN EDIBLE OILS BY ULTRASOUND-ASSISTED EMULSIFICATION MICROEXTRACTION AND SOLID-PHASE EXTRACTION CLEAN-UP FOLLOWED BY GC-MS/MS. HUIT_OJS [Internet]. 2025 Jul. 28 [cited 2026 Jul. 16];25(S1_ICA):23-35. Available from: https://ojs.huit.edu.vn/index.php/dai-hoc-cong-thuong/article/view/209