TORO BLANCO, A. Paraguay: The Center for Appropriate Technology (CTA). Revista INVI, [S. l.], v. 6, n. 11, 1991. DOI: 10.5354/0718-8358.1991.61963. Disponível em: https://revistaderechoambiental.uchile.cl/index.php/INVI/article/view/61963. Acesso em: 27 may. 2024.