PIHKALA, K. U. Economics of forest land clearing for agriculture . Agricultural and Food Science, [S. l.], v. 47, n. 4, p. 283–383, 1975. DOI: 10.23986/afsci.71850. Disponível em: https://journal.fi/afs/article/view/71850. Acesso em: 25 dec. 2024.