Regar, Jaswant Kumar, and Ram Prasad Jat. “Effect of Urea-Molasses-Mineral-Block and Azolla (Azolla Pinnata) As Feed Supplements on Nutrients Utilization and Production”. Indian Journal of Dairy Science, vol. 73, no. 6, Dec. 2020, https://epubs.icar.org.in/index.php/IJDS/article/view/93210.