TY  - BOOK
AU  - National Council of Educational Research and Training
TI  - Mathematics: teaching of algebra, ratio and propotion, mensuration, data handling and annexure: book 3
U1  - 510.0715 CUS(NAT) 
PY  - 2015///
CY  - New Delhi
PB  - NCERT
KW  - Teacher training - Mathematics
ER  -