van der W Wendy Valk

Business service triads : a new area for service research

Fostering incremental and radical innovation through performance based contracting in inter-organizational relationships

Evaluating the performance of business service providers : developing a model from multiple case studies

Controlling service delivery in service triads

Performance-based contracting as an enabler of innovation

Sustainable hazardous substances management in the supply chain

El arte imposible de comprar servicios empresariales

The impossible art of buying business services

Implementing socially responsible purchasing : an evolution model

Controlling the delivery of outsourced services in asymmetrical supply chains