TY  - BOOK
AU  - Singh, Ananta Gopal 
AU  - Jha, Bidhya Sagar
AU  - Shrestha, Govinda
AU  - Shah, Rup Bahadur
AU  - Bhandari, Sanjeev 
TI  - College Biology Grade XI 
SN  - 9789937933438
U1  - 570 
PY  - 2081///BS
CY  - Kathmandu 
PB  - Advance Ayam Publication 
ER  -