1. Adoption of OSS components: a goal-oriented approach;López;Data & Knowledge Engineering,2015
2. Strategy Safari: A Guided Tour Through the Wilds of Strategic Management;Mintzberg,1998
3. A Graph-theoretic perspective on centrality;Borgatti;Social Networks,2005
4. Networks – An introduction;Newman,2010
5. SNAP (system for analysis and manipulation of large networks) Stanford University.