Ngoenngam, L., Pongtongkam, P., Arananant, J., Poeaim, S., and Poeaim, A. “In vitro effect of gamma irradiation and plant growth regulators (PGRs) for induction and development of Stylosanthes hamata cv. Verano”. International Journal of Agricultural Technology 15, no. 1 (January 15, 2019): 63–74. accessed November 17, 2025. https://li04.tci-thaijo.org/index.php/IJAT/article/view/8149.