TY  - BOOK
AU  - Asis Kumar Chattopadhyay.
AU  -  Anuj Kumar Saha.
TI  - Demography : : techniques and analysis / 
SN  - 978-81-309-2118-1
U1  - 304.6071142 
PY  - 2012///
CY  - New Delhi
PB  - Viva Books
KW  - Demography
ER  -