TY  - BOOK
AU  - Bhatia K N
AU  -  Tyagi M P
TI  - Trueman's elementary biology: A complete text book, V. 2: For 12th class of 10+2 and various competitive examinations
SN  - 0-340-43042-7
PY  - 2009///
CY  - New Delhi, India
PB  - Trueman Book Company 
ER  -