and SITANSU PAN, A. ROY, S. HAZRA. “Irradiation to Induce Better Strains of Trichoderma Virens”. Indian Phytopathology, vol. 58, no. 1, Mar. 2005, pp. 106-10, https://epubs.icar.org.in/index.php/IPPJ/article/view/17449.