R. K. Singh , S. K. Dubey , R. P. Singh Ratan and D. Das Gupta. “Farmers’ Response Towards Technological Interventions Under Assessment and Refinement”. Indian Journal of Extension Education, vol. 49, no. 3&4, Dec. 2013, pp. 40-45, https://epubs.icar.org.in/index.php/IJEE/article/view/144352.