Patel, Nischay, Hitesh Savani, Mitul Prajapati, and Parineeta Kakati. 2019. “Constraints Persuade by Progressive Dairy Farmers in Scientific Dairy Farming in Mehsana District of Gujarat”. International Journal of Livestock Research 9 (12). India:206-11. https://ijlr.org/ojs_journal/index.php/ijlr/article/view/1037.