TY  - BOOK
AU  - National Council of Educational Research and Training(NCERT)
TI  - Analysis of common errors committed by pupils in mathematics at +2 level examination conducted by CHSE,Orissa
U1  - 510.7095413 NAT(RIE) 
PY  - 1997///
CY  - Bhubaneswar
PB  - National Council of Educational Research and Training(NCERT)
KW  - Mathematics
ER  -