Researchr is a web site for finding, collecting, sharing, and reviewing scientific publications, for researchers by researchers.
Sign up for an account to create a profile with publication list, tag and review your related work, and share bibliographies with your co-authors.
Michael Kölling. Lessons from the Design of Three Educational Programming Environments: Blue, BlueJ and Greenfoot. IJPOP, 4(1):5-32, 2015. [doi]
Abstract is missing.