Improvements to the maintenance system for radio-electronic equipment in companies in northern Holguín. Ciencias de la Ingeniería y Aplicadas, [S. l.], v. 9, n. 2, p. 111–132, 2025. DOI: 10.61236/ciya.v9i2.1099. Disponível em: https://investigacion.utc.edu.ec/index.php/ciya/article/view/1099. Acesso em: 4 jun. 2026.