TY  - BOOK
AU  - Frick, Tim
TI  - Return on engagement: Content, strategy, and design techniques for digital marketing 
SN  - 978-0-240-81283-0
AV  - HF 5415.1265 .F745 2010
PY  - 2010///
CY  - Amsterdam
PB  - Elsevier
KW  - Internet marketing
KW  - Social media
KW  - Marketing
ER  -