TY  - BOOK
AU  - Visser Marjolein
AU  -  Berry Mike
AU  -  Sikkenga Berend
TI  - Digital marketing fundamentals :  From strategy to ROI
SN  - 9789001749842
U1  - X:51:(D66), R2 
PY  - 2022///
CY  - Netherlands
PB  - Noordhoff Uitgevers bv`        
KW  - Operational Research
ER  -