PONNUSAMY, KUPPUSAMY; PADARIA, RABINDRA NATH. Research in agricultural extension: Review of its contribution and challenges. The Indian Journal of Agricultural Sciences, Delhi, India, v. 91, n. 5, p. 659–665, 2021. DOI: 10.56093/ijas.v91i5.112978. Disponível em: https://epubs.icar.org.in/index.php/IJAgS/article/view/112978. Acesso em: 21 oct. 2025.