00451nam a2200145Ia 450000500170000000800460001703700290006304000210009204100130011308400210012624500370014726000760018430000100026049000350027020250508161610.0008  250505s9999    xx            000 0 eng d  aBooks to be hide in OPAC  aFEDL bengcFEDL  aeng2eng  a512, NCE/OqFEDL 0aFirst course in algebra. Unit 12  aNew Delhi, IndiabNational Council of Educational Research and Training  a614p.  aSchool mathematics study group