The (cost-)effectiveness of an individually tailored long-term worksite health promotion programme on physical activity and nutrition: design of a pragmatic cluster randomised cont...

od Robroek, Suzan JW, Bredt, Folef J, Burdorf, Alex
Wydane 2007

Cost-effectiveness of a long-term Internet-delivered worksite health promotion programme on physical activity and nutrition: a cluster randomized controlled trial

od Robroek, Suzan J. W., Polinder, Suzanne, Bredt, Folef J., Burdorf, Alex
Wydane 2012