@INPROCEEDINGS { AUTHOR = "Francisco Gutierrez and Gustavo Zurita and Sergio Ochoa and Nelson Baloian", TITLE = "Analyzing Two Participation Strategies in an Undergraduate Course Community", BOOKTITLE = "19th Collaboration Researchers' International Workshop on Groupware (CRIWG)", PAGES = "143-158", YEAR = "2013", PUBLISHER = "Springer-Verlag", SERIES ="Lecture Notes in Computer Science", }