TY  - BOOK
AU  - BALAKRISHNAN NAIR, P.
AU  - RAMAKRISHNAN NAIR, R.
TI  - POLYTECHNIC BHOUTHIKAM, Volume II [ MAL ]
U1  - 530 
PY  - 1974///
CY  - Trivandrum
PB  - Kerala Bhasha Institute, Thiruvananthapuram 
ER  -