Verma, B.B., and M.S. Parmar. 2010. “NMR and IR Studies of Some Metal Complexes of 6-Substituted-I- Hydroxy-1,2,3-Benzotriazoles ”. Asian Journal of Chemistry 6 (1):22-25. https://asianpubs.org/index.php/ajchem/article/view/24482.