Wirmasari, R., & Isda, M. N. (2019). In Vitro Response of Protocorm Grammatophyllum stapeliiflorum (Teijsm. & Binn.) J.J.Sm. Orchid in Growth on Several Media Composition. Jurnal Biologi UNAND, 7(2), 118–125. https://doi.org/10.25077/jbioua.7.2.118-125.2019