00382nam a2200145Ia 450000500170000000800460001703700120006304000200007504100130009508400190010810000250012724500310015226000430018330000100022620250508163322.0008  250505s9999    xx            000 0 eng d  aTextual  aFEDLbengcFEDL  aeng2eng  a507, MOHqFEDL  aMohanty Sunil Behari 0aMethod of teaching science  aCuttack, IndiabBooks and Books c1982  a169p.