“Synthesis and Characterization of New Polyesters Derived From 4, 4’-Azodibenzoic Acid, Malic Acid and Adipic Acid With Aromatic Diols”. 2022. Iraqi Journal of Science 58 (1C): 388-402. https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/6112.