SINGH, R.; SINGH, G. Ecosystem services: A bridging concept of ecology and economics. Ecological Questions, [S. l.], v. 25, p. 95–101, 2017. DOI: 10.12775/EQ.2017.008. Disponível em: https://apcz.umk.pl/EQ/article/view/EQ.2017.008. Acesso em: 23 may. 2024.