A.K. PATIBANDA and R. SARADA JAYALAKSMHI DEVI, A. RANGA RANI, S. KHAYUM AHAMMED*,. “Characterization and Rhizosphere Competence of Trichoderma Spp. In Different Cropping Systems of Chitoor District (A.P.)”. Indian Phytopathology, vol. 69, no. 4s, Dec. 2016, pp. 506-9, https://epubs.icar.org.in/index.php/IPPJ/article/view/71379.