Zaafarany, Ishaq Abdullah. “Kinetics and Mechanism of Sol-Gel Transformation Between Some Trivalent- and Tetravalent-Metal Ions and Sodium Alginate Anionic Polyelectrolyte With Formation of Coordination Biopolymeric Structure Polymembranes Hydrogels of Capillary Structures Ex”. JOURNAL OF ADVANCES IN CHEMISTRY 3, no. 1 (April 9, 2007): 133–142. Accessed October 21, 2021. https://rajpub.com/index.php/jac/article/view/914.