WELKER, Martin. Review: Ullrich Dittler, Michael Kindt & Christine Schwarz (Eds.) (2007). Online-Communities als soziale Systeme. Wikis, Weblogs und Social Software im E-Learning [Online-Communities as Social Systems: Wikis, Weblogs and Social Software in E-Learning]. Forum Qualitative Sozialforschung / Forum: Qualitative Social Research, [S. l.], v. 9, n. 1, 2008. DOI: 10.17169/fqs-9.1.370. Disponível em: https://www.qualitative-research.net/index.php/fqs/article/view/370. Acesso em: 25 feb. 2024.