S. DWIVEDI, VIPIN KUMAR*, P. GUPTA and. “Bio-Efficacy of Fly-Ash Based Trichoderma Formulations Against Damping-off and Root-Rot Diseases in Tomato (Lycopersicum Esculentum)”. Indian Phytopathology, vol. 65, no. 4, Dec. 2012, pp. 404-5, https://epubs.icar.org.in/index.php/IPPJ/article/view/25424.