S.M. Nasman, Omar, Rajai M. Baraka, and Hassan M. Abdul Aziz. “Self Condensation Reaction of Thiosalicylic Acid in the Presence of Some Transition Metal Ions”. Asian Journal of Chemistry 16, no. 1 (March 30, 2010): 27–32. Accessed July 22, 2024. https://asianpubs.org/index.php/ajchem/article/view/19528.