Waheed, Enass J. “Synthesis and Characterization of Some Metals Complexes of {N-[(Benzoyl Amino)-Thioxo Methyl] Proline}”. Al-Nahrain Journal of Science 15, no. 4 (December 1, 2012): 1-10. Accessed August 29, 2021. https://anjs.edu.iq/index.php/anjs/article/view/527.