RYYNÄNEN, V. Research on the agricultural economics in the 1970s and 1980s. Agricultural and Food Science, [S. l.], v. 61, n. 6, p. 501–508, 1989. DOI: 10.23986/afsci.72345. Disponível em: https://journal.fi/afs/article/view/72345. Acesso em: 23 nov. 2024.