Determination of polycyclic aromatic hydrocarbons in water using dispersive liquid-liquid microextraction-gas chromatography-mass spectrometric . Journal of Pure & Applied Sciences , [S. l.], v. 21, n. 2, p. 68–71, 2022. DOI: 10.51984/jopas.v21i2.1661. Disponível em: https://www.sebhau.edu.ly/journal/jopas/article/view/1661. Acesso em: 30 jan. 2026.