Omar, Abdalazeem, and Elmugdad Ali. “Potentiometric Studies on Complexes of Cr (Ⅲ) and Zr (IV) With Some Carboxylic Acids”. International Journal of Advanced Chemistry 3, no. 1 (April 5, 2015): 25–37. Accessed October 14, 2026. https://www.sciencepubco.com/index.php/IJAC/article/view/4372.