Kaura, A., V. Gupta, G. S. Roy, and M. Kaura. “Spectrophotometric Determination of Chlorpheniramine Maleate and Phenylpropanolamine Hydrochloride in Dosage Forms”. International Current Pharmaceutical Journal, vol. 2, no. 5, Apr. 2013, pp. 97-100, doi:10.3329/icpj.v2i5.14436.