TY  - BOOK
AU  - Yadav, Paras Nath 
AU  - Chaudhary, Upendra 
AU  - Thapa, Bishal 
AU  - Subedi, Bhesh Raj 
TI  - Principles of chemistry grade XII 
SN  - 9789937120593
U1  - 540 
PY  - 2081/// BS
CY  - Kathmandu 
PB  - Advance Saraswati Prakashan 
KW  - science,  organic chemistry
ER  -