A.M. PARAKHIA and B.K. KIKANI, K.B. RAKHOLlYA, K.K. CHHELADIYA,. “Root Rot of Isabgol”. Indian Phytopathology, vol. 56, no. 4, Nov. 2003, pp. 503-4, https://epubs.icar.org.in/index.php/IPPJ/article/view/18467.