R. T. Iorhemen, A. M. Iorhemba, R. E. Sambo, and W. U. Nande, “Spectrophotometric determination of paracetamol in drug formulations with 1 – naphthol”, IJAC, vol. 5, no. 2, pp. 86–90, Oct. 2017, doi: 10.14419/ijac.v5i2.8313.