Qianxiang Wang, Wenxin Li, Tao Xie. Educational programming systems for learning at scale. In Mehran Sahami, Armando Fox, Marti A. Hearst, Michelene T. H. Chi, editors, First (2014) ACM Conference on Learning @ Scale, L@S 2014, Atlanta, GA, USA, March 4-5, 2014. pages 177-178, ACM, 2014. [doi]
Abstract is missing.