M. N. Bale, A. D. Sawant, H. Shaikh, and D. J. Garole, “Spectrophotometric Determination of Bi(III) from Alloys and Drugs Samples Using Pyridine-2-carboxaldehyde-2-hydroxybenzoylhydrazone”, ajc, vol. 29, no. 6, pp. 1328–1332, Apr. 2017.