Nguyen Thi Thuy Trang, et al. “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 Journal of Science, vol. 25, no. S1_ICA, July 2025, pp. 23-35, doi:10.62985/j.huit_ojs.vol25.noS1.209.