1. Collaboration networks, structural holes, and innovation: A longitudinal study;Ahuja;Administrative Science Quarterly,2000
2. Bekkers, R., Boonstoppel, E., & De Wit, A. (2017). Giving in The Netherlands Panel Survey-User Manual. Center for Philanthropic Studies, Vrije Universiteit Amsterdam, Amsterdam, Version 2.
3. Predictors of accuracy in perceiving informal networks;Bondonio;Social Networks,1998
4. A relational view of information seeking and learning in social networks;Borgatti;Management Science,2003
5. Structural holes: The social structure of competition;Burt,1992