Wrushali A. Panchale, Chaitanya A. Gulhane, Jagdish V. Manwar and R. L. Bakal (2020) “Simultaneous estimation of salbutamol sulphate and ambroxol HCl from their combined dosage form by UV-VIS spectroscopy using simultaneous equation method”, GSC Biological and Pharmaceutical Sciences, 13(3), pp. 127–134. doi: 10.30574/gscbps.2020.13.3.0397.