Elbashir, Abdalla Ahmed, and Shahd Moutasim Merghani. “Spectrophotometric Determination of Ranitidine Hydrochloride (RNH) in Pharmaceutical Formulation Using 9-Fluorenylmethyl Chloroformate (FMOC-Cl)”. Asian Journal of Pharmaceutical Research and Development, vol. 6, no. 6, Dec. 2018, pp. 7-14, doi:10.22270/ajprd.v6i6.454.