Tobing, J. H. L., Ricky, D. R., & Situmeang, M. K. (2017). Growth Regulating Substance and Media on the Growth of White Oyster Mushroom (Pleurotus ostreatus) Mycelium. 11th International Scholars Conference, 5(1), 168. https://doi.org/10.35974/isc.v5i1.1638