GRANATE, A. Directions of the State Effect on the Development of Communication Systems of the Agrarian Sector Enterprises. International Journal of Economics and Financial Issues, [S. l.], v. 4, n. 3, p. 572–579, 2014. Disponível em: https://econjournals.com/index.php/ijefi/article/view/866. Acesso em: 4 may. 2024.