TY  - GEN
AU  - Gupta, K.K
AU  - Balasubramanian, G
AU  - Malhotra, Stalin
TI  - Frank middle school science and technology: for class 6
SN  - 8171707211
CY  - New Delhi
PB  - Frank Bros. & Co.
KW  - SCIENCE
KW  - TECHNOLOGY
ER  -