TY  - BOOK
AU  - S P GUPTA
AU  - ALKA GUPTA
TI  - SANKHKIY VIDHIYA
SN  - 978818620416004
PY  - 2015///
CY  - ALLAHBAD
PB  - SHARDA PUSTAK BHAWAN
KW  - SANKHKIY VIDHIYA
ER  -