Saetung, A., A. Rungvichaniwat, and N. Pongsiri. “Preparation and Properties of Waterborne Polyurethane: Application for Coating 560 on Natural Rubber Gloves”. Asia-Pacific Journal of Science and Technology, vol. 19, no. 4, Apr. 2017, pp. 560-7, https://so01.tci-thaijo.org/index.php/APST/article/view/82977.