Paraneeiswaran, Arunachalam, Sudhir K Shukla, V.S. Sathyaseelan, and Toleti Subba Rao. “A Spectrophotometric Method for the Determination Co-EDTA Complexes”. International Journal of Applied Sciences and Biotechnology 3, no. 4 (December 30, 2015): 584–587. Accessed March 29, 2024. https://nepjol.info/index.php/IJASBT/article/view/13182.