Imrigha, N. A., Sanagi , M. M. and Sharef , S. Y. (2022) “Determination of polycyclic aromatic hydrocarbons in water using dispersive liquid-liquid microextraction-gas chromatography-mass spectrometric ”, Journal of Pure & Applied Sciences , 21(2), pp. 68–71. doi: 10.51984/jopas.v21i2.1661.