“Preparation and Spectral Study of Some Metal(II)-Azo Complexes With Bidentate Azo Ligand”. Journal of the College of Basic Education 22, no. 95 (December 18, 2022): 87–94. Accessed April 20, 2025. https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/8067.