Saxena, S, and R D Rai. “Effect of Nitrogen on Production of Extracellular Degradative Enzymes by Pleurotus Sajor-Caju (Fr.) Sing. On Wheat Straw”. Mushroom Research, vol. 1, no. 1, Oct. 2015, https://epubs.icar.org.in/index.php/MR/article/view/52322.