DR. M. P. SINGH, DR. G. P. SINGH. A Paper On Agricultural Economics And Extension. International Journal of Modern Agriculture, [S. l.], v. 10, n. 2, p. 4084 - 4088, 2021. Disponível em: http://modern-journals.com/index.php/ijma/article/view/1294. Acesso em: 24 apr. 2024.