TY  - BOOK
AU  - Bajracharya D.R.
AU  -  Singh, M.B..
AU  - Shrestha, R.M.
TI  - H.S Level basic mathematics for grade 12
U1  - 510 
PY  - 2073///
CY  - Kathmandu
PB  - Sukunda Pustak
KW  - Groupo theory and probability
KW  - Mathematics
KW  - Theorem
ER  -