M. J. Al-Jeboori, M. J., H. A. H. A. Hasan, and L. K. L. K. Abdul Karim. 2017. “Synthesis and Spectroscopic Studies of Mixed Catechol-Salicylaldiminate Derivatives of Antimony (III) and Tin (IV)”. Ibn AL-Haitham Journal For Pure and Applied Sciences 21 (4): 80-90. https://jih.uobaghdad.edu.iq/index.php/j/article/view/1468.