Al-Jibouri, Mahmoud Najim, and Saad Mohammad Hasun. “Synthesis and Characterization of manganese(II), cobalt(II), nickel(II), copper(II) and zinc(II) Complexes With New Schiff Base Derived from 6,7-Dimethyl-Quinoxaline-2,3(1H,4H)-Dione and Thiosemicarbazide”. European Journal of Chemistry 6, no. 1 (March 31, 2015): 44–47. Accessed May 2, 2024. https://www.eurjchem.com/index.php/eurjchem/article/view/1140.