1. Out-of-school time STEM: Building experience, building bridges;Bevan,2010
2. Making STEM fun: How to organize a STEM camp;Bryant Davis;Teaching Exceptional Children,2013
3. Theory-driven evaluation;Chen,1990
4. Practical program evaluation: Assessing and improving planning, implementation, and effectiveness;Chen,2005
5. Theory-driven evaluation: Conceptual framework, application and advancement;Chen,2012