TY  - BOOK
AU  - Harper,Sarah
TI  - Demography: a very short introduction 
SN  - 9780198725732 
AV  - GN 380. S85. 2020
PY  - 2020///
CY  - United States of America
PB  - Oxford University Press
KW  - Demography
KW  - Human History
KW  - Population policies
ER  -