Lal, Sudhanand Prasad, Kehar Singh Kadian, Rajiv Baliram Kale, and Shruti Shruti. 2016. “Friedman Based Analysis of Perceived Constraints Among Dairy Farmers Affected by National Calamity in India”. Indian Journal of Dairy Science 69 (6). https://epubs.icar.org.in/index.php/IJDS/article/view/56055.