DOI: https://doi.org/10.5944/openpraxis.6.3.139 | Journal eISSN: 2304-070X
Language: English
Page range: 205 - 220
Published on: Jul 1, 2014
Published by: International Council for Open and Distance Education (ICDE)
In partnership with: Paradigm Publishing Services
Keywords:
© 2014 Thomas Richter, Patrick Veith, published by International Council for Open and Distance Education (ICDE)
This work is licensed under the Creative Commons Attribution 4.0 License.