Bencela, M., S. Sudha Kumari, and T.S. Parmila. “Investigation on Antimicrobial Activity of Nickel(II) and Zinc(II) Complexes With Schiff Base Derived from Aminoacid Valine With Citral: Synthesis, Spectroscopic Analysis”. International Journal of Scientific Research in Biological Sciences 6, no. 4 (August 31, 2019): 12–16. Accessed August 27, 2025. http://ijsrbs.isroset.org/index.php/j/article/view/240.