(1)
Romeida, A.; Ganefianti, D. W.; Rustikawati, .-. Embryogenic Callus Induction of Pencil Orchid (Papilionanthe Hookeriana Rchb.F.) Through in Vitro Culture. Int. J. Adv. Sci. Eng. Inf. Technol. 2016, 6, 196-200.