M. GUNASEELAN AND B.P. SINGH. Constraints Perceived by Farmers in Commercial Goat Farming System in Tamil Nadu, India. Indian Journal of Extension Education, India, v. 54, n. 4, p. 189–194, 2018. Disponível em: https://epubs.icar.org.in/index.php/IJEE/article/view/143599. Acesso em: 24 oct. 2025.