KUMAR, Vijay; YADAV, R S; MEHLA, O P. Effect of persistency on milk yield under organised farm management condition. The Indian Journal of Animal Sciences, Delhi, India, v. 69, n. 2, 2012. Disponível em: https://epubs.icar.org.in/index.php/IJAnS/article/view/20287. Acesso em: 24 oct. 2025.