Asoko, N., Ruamrungsri, S., Yoosumran, V., and Saetiew, K. “Improvement of Dendranthemum grandiflora cv. canter with colchicine in vitro”. International Journal of Agricultural Technology, vol. 16, no. 2, Mar. 2020, pp. 237-46, https://li04.tci-thaijo.org/index.php/IJAT/article/view/6504.