S.P. GUPTA; AMARDEEP; KUSHAL VIR. Utilization of information sources by farmers under different production systems in Uttaranchal and Uttar Pradesh. Journal of Agricultural Extension Management, India, v. 4, n. 2, 2025. Disponível em: https://epubs.icar.org.in/index.php/JAEM/article/view/170679. Acesso em: 22 jun. 2026.