padkoh, N., K. . Buasri, and P. . Surin. “Development of Roof Tiles Made from Palm Fibers and Typha Angustifolia L Fibers for Communities”. Journal of Engineering, RMUTT, vol. 18, no. 1, June 2020, pp. 69-80, https://ph01.tci-thaijo.org/index.php/jermutt/article/view/241885.