Arunee Wongpiyasatid, Tanita Thinnok, Thanya Taychasinpitak, Peeranuch Jompuk, Katarat Chusreeaeom, and Siranut Lamseejan, “Effects of Acute Gamma Irradiation on Adventitious Plantlet Regeneration and Mutation from Leaf Cuttings of African Violet (Saintpaulia ionantha)”, Agr. Nat. Resour., vol. 41, no. 4, pp. 633–640, Dec. 2007.