BISWAS, B. C., and P. S. NAYAR. “Quantification of Drought and Crop Potential”. MAUSAM 35, no. 3 (July 1, 1984): 281–286. Accessed March 17, 2025. https://mausamjournal.imd.gov.in/index.php/MAUSAM/article/view/2064.