00464nam a2200157Ia 450000500170000000800410001704100080005808200140006610000150008024500590009526000380015430000140019265000350020665000350024165000300027620191017171601.0190710s9999 xx 000 0 und d aeng a372 K827E aKohn, Ruth 0aExploring childb:a handbook for pre- primary teachers aNew Delhib:Orient Longman,c1972 axiv,196p. aElementary education- handbook aPre-primary teachers- handbook aChild education -Handbook