Boonrasri, Siwarote, Pongdhorn Sae–Oui, Mathurot Chaiharn, and Chananpat Rardniyom. 2018. “Effects of Chitosan Contents on Latex Properties and Physical Properties of Natural Rubber Latex/Chitosan Composites”. RMUTP Research Journal Sciences and Technology 12 (1). Bangkok, Thailand:172-82. https://doi.org/10.14456/jrmutp.2018.15.