Hunyek, Anuchit. “Use of Biopolymers for Chelating Agents in the Synthesis of Magnetic Cobalt Ferrite Nanoparticles”. Journal of Advanced Development in Engineering and Science 8, no. 21 (August 23, 2023): 45–56. accessed April 13, 2025. https://ph03.tci-thaijo.org/index.php/pitjournal/article/view/887.