SAKSA, P. J. Maamme perunalajikkeiden viljelylaajuus ja viljelyalueet. Agricultural and Food Science, [S. l.], v. 27, n. 1, p. 41–52, 1955. DOI: 10.23986/afsci.71385. Disponível em: https://journal.fi/afs/article/view/71385. Acesso em: 17 jul. 2024.