SRIVASTAVA, S. .; SINGH, B. N. . Agricultural Productivity and Level of Agricultural Development in Azamgarh District, Uttar Pradesh. National Geographical Journal of India , [S. l.], v. 56, n. 3-4, p. 81–92, 2022. Disponível em: https://ngji.in/index.php/ngji/article/view/511. Acesso em: 8 may. 2024.