BENÍTEZ, D.; TORRES, V.; VARGAS, J. C.; SORIA, S. The productive efficiency of rearing herds in Pastaza, Ecuador. Cuban Journal of Agricultural Science, [S. l.], v. 50, n. 2, 2016. Disponível em: https://www.cjascience.com/index.php/CJAS/article/view/610. Acesso em: 8 may. 2024.