Saiprasad, G. V. S.; Raghuveer, P. Influence of Ethylene Inhibitors and Ethrel on Production of Protocorm Like Bodies in Orchid-Dendrobium ’Sonia’. J. Hortic. Sci. 2007, 2 (1), 13-18. https://doi.org/10.24154/jhs.v2i1.631.