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. JASRAE [Internet]. 2019 Feb. 1 [cited 2025 Dec. 26];16(2):183-7. Available from: https://ignited.in/index.php/jasrae/article/view/10093