00415nam a2200121Ia 4500008004100000040001700041082002400058100001600082245007500098260002600173300001500199650007900214190328s9999||||xx |||||||||||||| ||und||  aNITILcNITIL  221sta371.92bC634S  aCleugh, M F 4aThe Slow learnerbsome educational principles and policiescM F Cleugh  aLondonbMethuenc1957  avii, 186p.  aSlow learning children; Mentally handicapped children; Education and state