El-Ansary, A. L., O. E. Sherif, N. S. Abdel-Kader, and A. G. Sayed. “Macromolecular Azo Dye Complexes As Precursors to Metal Oxide Nanoparticles: Synthesis, Characterization, Biological Activity and Thermal Studies of Sulfadimidine Azo Dye Complexes”. The International Journal of Science & Technoledge, vol. 3, no. 10, Oct. 2015, http://internationaljournalcorner.com/index.php/theijst/article/view/125162.