T. Thongchai, “Comparison of Lead Zirconate Titanate Properties between the Pressing Process and the Gel Casting Process by using Ethylene Glycol Diglycidyl Ether (EGDGE) Epoxy Resin as a Gelling Agent”, Asian Health Sci.Tech.Rep., vol. 28, no. 2, pp. 111–123, Apr. 2020.