CARVAJAL SALAS, Alexander; ROLDAN QUIRÓS, Walter Andrés. Technical extension: an innovative service for educational cooperatives of professional technical high schools. Perspectivas Rurales Nueva Época, [S. l.], v. 17, n. 34, p. 85–102, 2019. DOI: 10.15359/prne.17-34.4. Disponível em: https://www.revistas.una.ac.cr/index.php/perspectivasrurales/article/view/14431.. Acesso em: 17 jul. 2024.