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. Journal of Advances and Scholarly Researches in Allied Education, [S. l.], v. 16, n. 2, p. 183–187, 2019. Disponível em: https://ignited.in/index.php/jasrae/article/view/10093.. Acesso em: 26 dec. 2025.