00476nam a2200145Ia 450000500170000000800460001703700290006304000210009204100130011308400210012624500610014724500280020826000820023630000120031820250508161246.0008  250505s9999    xx            000 0 eng d  aBooks to be hide in OPAC  aFEDL bengcFEDL  aeng2eng  a502, NCE/OqFEDL 0aGeneral science: Handbook of activities, Classes 6 to  8 0cNCERT (New Delhi India)  aNew Delhi, IndiabNational Council of Educational Research and Trainingc1964  aiv,458p