P. R. PHANI KUMAR, P. SREERAMA KUMAR and. “A New Leaf Spot Disease of Parthenium Hysterophorus Caused by Phoma Sorghina”. Indian Phytopathology, vol. 53, no. 1, Jan. 2002, p. 115, https://epubs.icar.org.in/index.php/IPPJ/article/view/19212.