TY  - BOOK
AU  - Usha Namboodiripad 
TI  - Samuhika bhasha vijnanam
U1  - 306.440 7 
PY  - 1994///
CY  - Thiruvananthapuram
PB  - Kerala Bhasha Institute, 
KW  - Sociolinguistics Study
KW  - Social Sciences
ER  -