DEVELOPMENT AND VALIDATION OF UV-SPECTROSCOPIC METHOD FOR THE ESTIMATION OF METFORMIN IN BULK AND PHARMACEUTICAL DOSAGE FORM - R Venkat Reddy *, Badugu Deepika, N. Sunita, M. Jaya Shankar, SK. Nadeer, K. Ravi Kumar, Santosh Illendula, G. Koteswar Rao, K.N.V. Rao, K. Rajeswar Dutt (2018)