“A Research on the Levels of Agricultural Productivity and Their Regions in Ganga-Yamuna Doab: Examining Agricultural Productivity and Regional Disparities in the Ganga-Yamuna Doab” (2019) Journal of Advances and Scholarly Researches in Allied Education, 16(2), pp. 183–187. Available at: https://ignited.in/index.php/jasrae/article/view/10093 (Accessed: 26 December 2025).