TY  - BOOK
AU  - Penn, Mark J. 
TI  - Microtrends: the small forces behind tomorrow's big changes
SN  - 9780446580960
U1  - 303.4973 P38m 
PY  - 2007///
CY  - New York
PB  - Twelve Hachette Book Group
KW  - Social change
ER  -