Panda, S.S. et al. 2012. Spectrophotometric Determination of Alendronate Sodium by using Sodium-1,2-Naphthoquinone-4-Sulphonate. International Journal of Pharmaceutical Sciences and Nanotechnology(IJPSN). 4, 4 (Feb. 2012), 1563–1568. DOI:https://doi.org/10.37285/ijpsn.2011.4.4.7.