Peter B. Sloep, Liesbeth Kester. From Lurker to Active Participant. In Rob Koper, editor, Learning Network Services for Professional Development. pages 17-25, Springer, 2009. [doi]
@incollection{SloepK09, title = {From Lurker to Active Participant}, author = {Peter B. Sloep and Liesbeth Kester}, year = {2009}, doi = {10.1007/978-3-642-00978-5_2}, url = {https://doi.org/10.1007/978-3-642-00978-5_2}, researchr = {https://researchr.org/publication/SloepK09}, cites = {0}, citedby = {0}, pages = {17-25}, booktitle = {Learning Network Services for Professional Development}, editor = {Rob Koper}, publisher = {Springer}, isbn = {978-3-642-00977-8}, }