TY  - BOOK
AU  - NCERT
TI  - Mathematics : :Textbook for Class - 11th
SN  - 81-7450-486-9
U1  - 510  N213M 
PY  - 2006///
CY  - New Delhi
PB  - :NCERT
KW  - Mathematics-textbook-class1th
UR  - https://ncert.nic.in/textbook.php?kemh1=ps-14
ER  -