MEENA, M. S.; KALE, R. B.; SINGH, S. K.; KAILASH, Kailash. Farmer-to-farmer extension model strength, weakness and issues of sustainability. Indian Farming, Delhi, India, v. 68, n. 6, 2018. Disponível em: https://epubs.icar.org.in/index.php/IndFarm/article/view/82009. Acesso em: 26 oct. 2025.