Patcharawadee Wattanawikkit และ Sureeya Tantiwiwat. (2014) Development of in vitro and cryogenic protocols for Ex situ conservation of orchids. Kasetsart University:ม.ป.ท.Patcharawadee Wattanawikkit และ Sureeya Tantiwiwat. 2014. Development of in vitro and cryogenic protocols for Ex situ conservation of orchids. ม.ป.ท.:Kasetsart University;Patcharawadee Wattanawikkit และ Sureeya Tantiwiwat. Development of in vitro and cryogenic protocols for Ex situ conservation of orchids. ม.ป.ท.:Kasetsart University, 2014. Print.