“Preparation, Characterization and Biological Study of New Derivatives of 1, 3, 4 - Thiadiazoleand Its Complexes With Some Transitional Element Ions”. University of Thi-Qar Journal of Science, vol. 6, no. 3, Apr. 2019, pp. 90-100, https://jsci.utq.edu.iq/index.php/main/article/view/40.