V. Chandran, S. K. Saurav, . R. Chakravarty, and Kalla Ashok, “Contribution of Integrated Farming System (IFS) Units towards Household Income in Kerala”, Indian J Ext Edu, vol. 59, no. 3, pp. 69–73, Jun. 2023, Accessed: Jun. 25, 2026. [Online]. Available: https://epubs.icar.org.in/index.php/IJEE/article/view/137300