Karnasuta, S., V. Punsuvon, M. Tapanwong, and R. Nokkaew. “Keywords: Colourant, Polyester, Wonderful Colours, Nylon, Dyeing, Exhaustion, Fixation, Light Fastness and Wash Fastness.”. Science & Technology Asia, Vol. 17, no. 3, 1, pp. 40-46, https://www.tci-thaijo.org/index.php/SciTechAsia/article/view/41175.