TY  - BOOK
ED  - National Council of Education Research and Training(New Delhi)
TI  - Mathematics: textbook for class 7th
SN  - 8174506691
U1  - 510 23rd ed.
PY  - 2017///
CY  - New Delhi
PB  - National Council of Educational Research and Training 
KW  - MATEHEMATICS
ER  -