“Symptomatology of Fungal Competitors on Oyster mushroom’s Spawn Packets and in Vitro Evaluation Using Phytoextracts and a Fungicide”. International Journal of Agricultural Research, Innovation and Technology, vol. 6, no. 2, Feb. 2017, pp. 24-30, https://doi.org/10.3329/ijarit.v6i2.31701.