00395nam a2200121Ia 450000500170000000800460001703700290006304000210009204100130011308400210012624500440014726000820019120250508162052.0008  250505s9999    xx            000 0 eng d  aBooks to be hide in OPAC  aFEDL bengcFEDL  aeng2eng  a516, NCE/OqFEDL 0aSchool mathematics study group Geometry  aNew Delhi, IndiabNational Council of Educational Research and Trainingc1956