and R. RAMABADRAN, V. CHANDRASEKAR, R. NARAYANASWAMI. 2002. “Effect of Foliar Spray of Potash and Neem Seed Extract on the Tikka Leaf Spot of Groundnut”. Indian Phytopathology 47 (2): 188-89. https://epubs.icar.org.in/index.php/IPPJ/article/view/21060.