KOIVISTO, E. Kulutusmaidon kysynnän joustavuus. Agricultural and Food Science, [S. l.], v. 23, n. 3, p. 151–155, 1951. DOI: 10.23986/afsci.71302. Disponível em: https://journal.fi/afs/article/view/71302. Acesso em: 30 nov. 2024.