TY  - BOOK
ED  - State Institute of Languages                                                                                                                                                                                                                                   . 
TI  - Engineering subdavali, Vol 1 / 
U1  - 028.7362 
PY  - 1969///
CY  - Thiruvananthapuram : 
PB  - State Instititute of Languages , 
ER  -