P. K. Jaiswal, P. N. Shanna and M. S.Bisen. “Cropping Pattern under Different Farming Situations of Northern Hill Region of Chattisgarh”. Indian Journal of Extension Education 26, no. 3&4 (December 31, 1990): 97–99. Accessed October 25, 2025. http://epubs.icar.org.in/index.php/IJEE/article/view/159534.