RYHÄNEN, M. Input substitution and technological development on Finnish dairy farms for 1965-1991: Empirical application on bookkeeping dairy farms. Agricultural and Food Science, [S. l.], v. 3, n. 6, p. 519–601, 1994. DOI: 10.23986/afsci.72722. Disponível em: https://journal.fi/afs/article/view/72722. Acesso em: 23 nov. 2024.