E. H. Bindewald, J. C. Rosa-Sobrinho, M. F. Bergamini, and L. H. Marcolino-Júnior, “Simple, fast and inexpensive method for determination of ranitidine hydrochloride based on conductometric measurements”, Eclet. Quim., vol. 43, no. 4, pp. 37–43, Dec. 2018.