S. Helen, B. Shammugasundaram. “Social Benefit–Cost Ratio of the Interventions in the Coconut Based Homesteads of Central Kerala”. Indian Journal of Extension Education 46, no. 3&4 (July 14, 2022): 73–77. Accessed July 15, 2026. https://epubs.icar.org.in/index.php/IJEE/article/view/125680.