Edward Tse Lynn Marentette Syed Ishtiaque Ahmed Alexander Thayer Jochen Huber Max Mühlhäuser Si-Jung Kim Quincy Brown Educational interfaces, software, and technology. 2691-2694 2012 CHI Extended Abstracts https://doi.org/10.1145/2212776.2212697 conf/chi/2012a db/conf/chi/chi2012a.html#TseMATHMKB12