Wiwat Suaysom, and Wirunya Keawwattana. “Thermal Ageing of Thermoplastic Elastomeric Natural Rubber-Low Density Polyethylene Blends”. Agriculture and Natural Resources, vol. 40, no. 1, Feb. 2006, pp. 148-57, https://li01.tci-thaijo.org/index.php/anres/article/view/243542.