00776nam a22003137i 4500 20141212093852.0 970714s1997 sp gr 000 0 spa c eng WEINGER, S. INFLUENCING THE SELF-WORTH OF SIBLINGS OF CHILDREN WITH MENTAL RETARDATION Autoestima Discapacidad intelectual Efectos Estudio descriptivo Grados Hermanos Menores Necesidades especiales Discapacidad Menores Documental ARETE Vol. 21, no. 1 (1996), p. 24-35 11.1 14 H3 AR 19970714 R.1274 AR