Jacobson, W. H. (1993). The art and science of teaching orientation and mobility to persons with visual impairments. New York: AFB.
Παραπομπή Chicago StyleJacobson, William H. The Art and Science of Teaching Orientation and Mobility to Persons With Visual Impairments. New York: AFB, 1993.
Παραπομπή MLAJacobson, William H. The Art and Science of Teaching Orientation and Mobility to Persons With Visual Impairments. New York: AFB, 1993.
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