A Highly Selective and Sensitive Spectrofluorimetric Methodfor the Determination of N-Acetyl-4-Aminophenol at Nano-Trace Levels in Pharmaceuticals and Biological Fluids Using Cerium(IV). Pak. J. Anal. Environ. Chem. 2019, 20 (1), 17 – 31. https://doi.org/10.21743/pjaec/2019.06.03.