TY, L. V.; THANG, N. V.; SON, H. N.; HUNG, N. M. Modification and adaptation of the oestrus-ovulation synchronization technics in the hostein-friz cows for shortening anoestrus period and calving interval. Academia Journal of Biology, [S. l.], v. 29, n. 3, p. 78–82, 2014. DOI: 10.15625/0866-7160/v29n3.5392. Disponível em: https://vjs.ac.vn/index.php/vjbio/article/view/5392. Acesso em: 29 jun. 2022.