Yoosumran, V., Ruamrungsri, S., Duangkongsan, W., and Kanjana, S. “Induced Mutation of Dendranthemum grandiflora through Tissue Culture by Ethyl Methanesulphonate (EMS)”. International Journal of Agricultural Technology, vol. 14, no. 1, Jan. 2018, pp. 73-82, https://li04.tci-thaijo.org/index.php/IJAT/article/view/5863.