Jansri, E., J. Kromsuriyasak, J. Preedawat, and N. O-Charoen. “Polypropylene and Linear Low-Density Polyethylene Two-Layered in Single-Step Rotational Molding at the High-Speed Rotating”. Journal of Engineering, RMUTT, vol. 18, no. 1, June 2020, pp. 153-64, https://ph01.tci-thaijo.org/index.php/jermutt/article/view/241895.