HERNÁNDEZ ORO, Reina Maylín; MEDINA LEÓN, Alberto A.; HERNÁNDEZ PÉREZ, Gilberto D. Improvement of key processes through the analysis of value added in technology- based companies a single project productions of the water sector in Cuba. Scientific Journal Visión de Futuro, [S. l.], v. 16, n. 1, 2011. Disponível em: https://revistacientifica.fce.unam.edu.ar/index.php/visiondefuturo/article/view/593. Acesso em: 5 nov. 2026.