Karnasuta, S., V. Punsuvon, M. Tapanwong, and R. Nokkaew. “ Light Fastness and Wash Fastness”. Science & Technology Asia, vol. 17, no. 3, Oct. 2015, pp. 40-46, https://ph02.tci-thaijo.org/index.php/SciTechAsia/article/view/41175.