SIMONEN, S. Significance of co-operation to agriculture in Finland. Agricultural and Food Science, [S. l.], v. 22, n. 1, p. 31–46, 1950. DOI: 10.23986/afsci.71283. Disponível em: https://journal.fi/afs/article/view/71283. Acesso em: 1 may. 2024.