TY  - BOOK
AU  - Ramakumar, R.
AU  - Gopal, Y. S.
TI  - Technical demography
SN  - 0852267436
U1  - 304.6 
PY  - 2006///
CY  - New Delhi
PB  - New Age International
KW  - Sociology
KW  - Demography
N1  - Includes bibliographical references and index
ER  -