V.KIRAN KUMAR, M. RAMESWARA RAO, K. B. CHANDRA SEKHAR, N. DEVANNA. Direct and Derivative Spectrophotometric Determination of Copper(II) and Nickel(II) in Beer, Wine and Edible Oils. ijpbs [Internet]. 2010 Jun. 30 [cited 2026 Jul. 23];1(2):1-8. Available from: https://ijpbs.net/index.php/journal/article/view/229