Jadhav, Dr. Shivaji Laxman. “A PH-Metric Study of Stability Constant of Ternary Complexes Involving Transition Metals, Nicotinamide and Penicillamine”. To Chemistry Journal 2 (April 17, 2019): 127-131. Accessed July 6, 2020. https://purkh.com/index.php/tochem/article/view/341.