KIRK, J. H. Calf mortality, heifer replacements and vaccines: TI/59 programmable calculator programs to estimate the costs. The Bovine Practitioner, [S. l.], v. 1983, n. 18, p. 98–103, 1983. DOI: 10.21423/bovine-vol1983no18p98-103. Disponível em: https://bovine-ojs-tamu.tdl.org/bovine/article/view/2488. Acesso em: 20 apr. 2024.