SILVA, Nardel Luiz Soares da; SILVA, Pedro Celso Soares da; KLEIN, Felipe Guilherme. Economic sustainability of farms located in micro watershed sanga guabiroba – Nova Santa Rosa – Paraná state - Brazil. Comunicata Scientiae, [S. l.], v. 2, n. 1, p. 1–8, 2011. DOI: 10.14295/cs.v2i1.80. Disponível em: https://comunicata.emnuvens.com.br/comunicata/article/view/80. Acesso em: 28 sep. 2025.