Causality between PRONAF and family farmers’ income between 2004 and 2015. Publicatio UEPG: Ciências Sociais Aplicadas, [S. l.], v. 30, p. 18, 2023. Disponível em: https://revistas.uepg.br/index.php/sociais/article/view/21347. Acesso em: 30 jun. 2026.