00329nam a2200109Ia 4500008004100000040003800041100001500079245005700094260003900151300001400190653001500204220119s9999    xx            000 0 und d  cJayakar Knowledge Resource Centre  aIshtiaq, K 0aMentally rearded childern: a social psychology study  bS Chand & Co. LtdaNew Delhic1977  ax, 237 p.  aPsychology