“Synthesis, Spectroscopic and Thermodynamic Studies of Metal Complexes With Schiff Bases Derived from 2-[5-(Pyridin-2-Ylmethylene)-Amino] 1,3,4-Oxadiazol-2-Yl-Phenol”. Al-Nahrain Journal of Science, vol. 18, no. 4, June 2018, pp. 13-21, https://mail.anjs.edu.iq/index.php/anjs/article/view/279.