Google for Education (2015). Exploring Computational Thinking. Retrieved from https://edu.google.com/resources/programs/exploring-computational-thinking/
Howland, K.,Good, J.,Nicholson, K.(2009).Language-based support for computational thinking.2009 IEEE Symposium on Visual Languages and Human-Centric Computing (VL/HCC).(2009 IEEE Symposium on Visual Languages and Human-Centric Computing (VL/HCC)).:
Jonas, M.,Sabin, M.(2015).Computational thinking in Greenfoot: AI game strategies for CS1: conference workshop.Journal of Computing Sciences in Colleges.30(6),8-10.