TY  - BOOK
AU  - Ramalingam, Sarojini T.
AU  - Pereira, Sheila.
TI  - Modern science 3
U1  - 507 RAM 
PY  - 1989///
CY  - Bombay : 
PB  - Oxford University Press
KW  - Science
KW  - Study and teaching (Secondary)
ER  -