TY  - BOOK
AU  - Keshari, Arvind K. 
AU  - Ghimire, Khaga Raj 
TI  - Textbook of biology grade XII 
SN  - 9789937739658
U1  - 570 
PY  - 2081///
CY  - Kathmandu 
PB  - Vidyarthi Pustak Bhandari 
ER  -