TY  - BOOK
AU  - NCERT
TI  - Mathematics part i: : textbook for class xii
SN  - 81-7450-629-2
U1  - 510 N213M 
PY  - 2006///
CY  - New Delhi
PB  - : NCERT
KW  - Mathematics part i-textbook -class 12th
UR  - https://ncert.nic.in/textbook.php?lemh1=ps-6
ER  -