TY  - GEN
AU  - Gupta , S.K.
AU  - Gupta , Anubhuti
TI  - Mathematics for secondary schools part 1 for class ix
SN  - 8121907209
U1  - 510 
PY  - 1989///
CY  - New Delhi
PB  - S.Chand
KW  - MATHAMETICS
ER  -