Srisagul Sungthongjeen, Benchamat Chaikla, Chatrapee Huaihongthong, Nattawut Charoenthai, Worawut Kriangkrai, and Satit Puttipipatkhachorn. “Development of Floating Pellets Using Low-Density Foam Powder Prepared by Extrusion-Spheronization”. Science & Technology Asia, vol. 28, no. 1, Mar. 2023, pp. 181-9, https://ph02.tci-thaijo.org/index.php/SciTechAsia/article/view/248892.