Jaroensappayanant, P. ., R. . Thammarong, and T. . Sittiprasong. “Improvement of Dyeing Efficiency of Direct Dyes on Cotton Fabric With Ozone”. Journal of Engineering, RMUTT, vol. 19, no. 1, June 2021, pp. 47-54, https://ph01.tci-thaijo.org/index.php/jermutt/article/view/244680.