TY  - BOOK
AU  - Aryal, Krishna
AU  - Shrestha, Tek Bahadur
TI  - Better  optional mathematics practice book: for SLC competitors
SN  - 9789937555500
U1  - 510/Ar97b 
PY  - 2017///
CY  - Chitwan
PB  - CT prakashna
KW  - Mathematics
ER  -