NISKANEN, R.; EKLUND, E. Extracellular protease-producing actinomycetes and other bacteria in cultivated soil . Agricultural and Food Science, [S. l.], v. 58, n. 1, p. 9–17, 1986. DOI: 10.23986/afsci.72215. Disponível em: https://journal.fi/afs/article/view/72215. Acesso em: 27 may. 2024.