padkoh, Nittaya, Kittisak Buasri, and Prayoon Surin. 2020. “Development of Roof Tiles Made from Palm Fibers and Typha Angustifolia L Fibers for Communities”. Journal of Engineering, RMUTT 18 (1):69-80. https://ph01.tci-thaijo.org/index.php/jermutt/article/view/241885.