TY  - BOOK
AU  - Das Gupta,Asit
AU  - Prasāda,Sūryabhūṣaṇa
TI  - Math steps 2
U1  - 510 
PY  - 1999///
CY  - Patna
PB  - Bharati Bhawan Publsihers
KW  - Mathematics
KW  - Juvenile literature
ER  -