B. Shanmugasundaram, “Adoption of System of Rice Intensification(SRI) in Kerala”, Indian J Ext Edu, vol. 51, no. 3 & 4, pp. 121–124, Dec. 2015, Accessed: Oct. 22, 2025. [Online]. Available: https://epubs.icar.org.in/index.php/IJEE/article/view/144236