Farasram, P.L., Rakesh Farasram, and C.M. Desai. “Dye Indicator Absorbance Spectra and Complex Ions Formation in Solution ”. Asian Journal of Chemistry 9, no. 4 (March 30, 2010): 758–762. Accessed July 24, 2024. https://asianpubs.org/index.php/ajchem/article/view/23960.