Boontositrakul , K., K. Suweero, and P. . Weeranukul. “Development of Building Envelope Mixed With Coconut Fiber”. Journal of Engineering, RMUTT, vol. 17, no. 2, Dec. 2019, pp. 25-35, https://ph01.tci-thaijo.org/index.php/jermutt/article/view/241900.