EELLS, E.H., ET AL., TEST OF VALIDITY OF A PHOTOGRAPHIC ADAPTIVE COMMUNICATION DEVICE TO MEASURE CONSUMER SATISFACTION. EDUCATION AND TRAINING IN MENTAL RETARDATION AND DEVELOPMENTAL DISABILITIES , Vol. 35, no. 4 (2000), p. 434-440
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Keywords:
Discapacidad intelectual, Fotografía, Medición, Metodología, Satisfacción, Técnicas, Validez