00787nam a22003137i 4500 20141212093036.0 900207s1990 sp gr 000 0 spa c 0014-4029 (papel) eng AULT, M.J. REVIEW OF COMPARATIVE STUDIES IN THE INSTRUCTION OF STUDENTS WITH MODERATEAND SEVERE HANDICAPS Discapacidad Educación Estudio comparativo Método educativo Discapacidad Documental ET AL. EXCEPTIONAL CHILDREN Vol. 55, no. 4 (1989), p. 346-356 11 74 74 75 75 C3 AR 19900207 R.120 AR