VIANA RUANO, A. Analysis and comments ofthe socio-economic activity of PROFRIJOL. Agronomía Mesoamericana, [S. l.], v. 4, p. 100–104, 2016. DOI: 10.15517/am.v4i0.25177. Disponível em: https://revistas.ucr.ac.cr/index.php/agromeso/article/view/25177. Acesso em: 28 mar. 2024.