00747nam a22002777i 4500 20141212085829.0 870615s1987 sp gr 000 0 spa c 0002-726X eng CRITTENDEN, J.B. ATTITUDES TOWARD SIGN COMMUNICATION MODE: A SURVEY OF HEARING AND HEARING-IMPAIRED EDUCATORS OF THE DEAF Comunicación no verbal Discapacidad Discapacidad auditiva Profesor Sordera Discapacidad Documental AMERICAN ANNALS OF THE DEAF Vol. 131, no. 4 (1986), p. 275-280 11.5 74 P5a AR 19870615 R.622 Depósito (65) (80) AR