00749nam a22002897i 4500 20141212092956.0 890224s1989 sp gr 000 0 spa c 0002-726X eng KAY, N. ON READABILITY FORMULAS: A CRITICAL ANALYSIS FOR TEACHERS OF THE DEAF Discapacidad Discapacidad auditiva Lectura y escritura Método educativo Material pedagógico Sordera Discapacidad Documental AMERICAN ANNALS OF THE DEAF Vol. 133, no. 1 (1988), p. 14-18 11.5 75 P4c AR 19890224 R.622 Depósito (65) (80) AR