Kalia, A., G. Shukla, D. Mishra, B. P. Mishra, and R. R. Patel. “Comparative Trend Analysis of Mustard in Bundelkhand Region, Uttar Pradesh and India”. Indian Journal of Extension Education, vol. 57, no. 1, Dec. 2020, pp. 15-19, https://epubs.icar.org.in/index.php/IJEE/article/view/109094.