S. Srivorradatpaisan, K. Khiaomang, and S. Chonsakorn, “THE STUDY OF PHYSICAL PROPERTIES AND FABRIC PROPERTIES FROM FILAGEN FIBERS MIXED PINEAPPLE LEAFS FIBERS USING NATURAL INDIGO DYED”, SWU J. Sci. Technol., vol. 14, no. 27, January-June, pp. 156–164, Jun. 2022.