Usha, S, and V Suguna. “Studies on Yield of Two Strains of Hypsizygus Ulmarius (Bull.Fr) CO 2 and IIHR Hu 1 (Blue Oyster Mushroom)”. Mushroom Research, vol. 24, no. 2, Oct. 2016, https://epubs.icar.org.in/index.php/MR/article/view/62487.