An instrument for the determination of learning objects quality for students with visual impairment integrating the services theory (ILOBlind). - César Eduardo Velázquez Amador; Jaime Muñoz Arteaga; Francisco Javier Álvarez Rodríguez; Juan Pedro Cardona Salas; María Dolores Torres Soto; Alondra Izel Ortega Cuevas (Univers. Access Inf. Soc., 2023)