S. . Ketmaro, T. Taychasinpitak, A. . Mongkolchaiyaphruek, and S. Wongchaochant, “Effect of Colchicine on Increasing Pollen Viability in a Curcuma Hybrid (Curcuma sparganifolia × C. parvifl ora)”, Agr. Nat. Resour., vol. 46, no. 3, pp. 363–370, Jun. 2012.