TY  - BOOK
AU  - AGGARWAL, Sarita.
TI  - A Textbook of CBSE Biology for Class XI
SN  - 9788121942522
U1  - 570 AGG. 
PY  - 2013///
CY  - New Delhi
PB  - Nirja Publisher & Printer Pvt. Ltd.
N1  - Includes  Review Questions
ER  -