PIERRI, José. Considerations on the effect on productivity and performance of producers of grain on the application of the model of agricultural business and public policy. Scientific Journal Visión de Futuro, [S. l.], v. 19, n. 1, 2014. Disponível em: https://visiondefuturo.fce.unam.edu.ar/index.php/visiondefuturo/article/view/551. Acesso em: 18 may. 2024.