Jatashankar Choudhary , B.K. Jha , P.K. Sarkar and R.P. Singh ‘Ratan’. “Impact of Jharkhand Department of Agriculture on Knowledge, Attitude and Adoption of the Farmers”. Indian Journal of Extension Education, vol. 53, no. 4, Dec. 2017, pp. 1-6, https://epubs.icar.org.in/index.php/IJEE/article/view/143984.