Kamal, Shwet, R C Upadhyay, O P Ahlawat, and Manjit Singh. 2012. “Effect of Phosphate Supplementation on Growth and Extracellular Enzyme Production by Some Edible Mushrooms”. Mushroom Research 21 (1). https://epubs.icar.org.in/index.php/MR/article/view/48928.