TY  - BOOK
AU  - Gurung, Tek Raj 
AU  - Ghimire, Tirth Raj 
TI  - Pioneer Basic Biology Grade XII 
SN  - 9789937755702
U1  - 570 
PY  - 2080///BS
CY  - Kathmandu 
PB  - Dreamland Publication 
KW  - Science
ER  -