“Synthesis and Optical Studies of the 3,4-dimethoxy Benzaldehyde [5-(2-hydroxyphenyl)-1,3,4-oxadiazol-2-yl]Hydrazone Metal Complexes” (2020) University of Thi-Qar Journal of Science, 7(2), pp. 95–100. doi:10.32792/utq/utjsci/v7i2.723.