KUMAR, Shalander; CHAND, Khem; AGARWAL, S B. Herd size - productivity relationship and returns of sale in milk production. The Indian Journal of Animal Sciences, Delhi, India, v. 68, n. 3, 2012. Disponível em: https://epubs.icar.org.in/index.php/IJAnS/article/view/19965. Acesso em: 24 oct. 2025.