T. Sohn, K. Li, W. Griswold, and J. Hollan. Proceeding of the twenty-sixth annual SIGCHI conference on Human factors in computing systems, page 433-442. New York, NY, USA, ACM, (2008)
H. Norman, R. Din, N. Nordin, and T. Ryberg. Asian Social Science, 10, (1), (209-222) ; ISSN: 19112017, (2014)Sprache: en ; Rechte-Information: info:eu-repo/semantics/openAccess ; Dokumenttyp: Article, Journal ; Dokument-ID: oai:oai.forksningsdatabasen.dk:1587877 ; Quelldatenbank: BASE.
V. Rivera-Pelayo, V. Zacharias, L. Müller, and S. Braun. Proceedings of the 2nd International Conference on Learning Analytics and Knowledge, page 111–114. New York, NY, USA, Association for Computing Machinery, (2012)