The Management of Humidifying Treatment for Low Contamination Risks During Indoor Cultivation of Grey Oyster Mushroom (Pleurotus pulmonarius)Md. Tariqul Islam, Zarina Zakaria, Nasrul Hamidin, Mohd Azlan Bin Mohd Ishak and Chong Shi FernMATEC Web Conf., 97 (2017) 01080DOI: https://doi.org/10.1051/matecconf/20179701080