1. Al-Khalifa, H.S.: Twitter in academia: a case study from Saudi Arabia. eLearn. 2008(9), 1–1 (2008)
2. Brown, G., Yule, G.: Teaching the spoken language. Cambridge Language Teaching Library (1999)
3. Canale, M., Swain, M.: Theoretical bases of communicative approaches to second language teaching and testing. Applied Linguistics 1, 1–47 (1980)
4. Cooper-Taylor, C.: 50 ideas on using Twitter for education (2008),
http://cooper-taylor.com/blog/2008/08/50-ideas-on-using-twitter-for-education/
(retrieved March 14, 2009)
5. Costa, C., Beham, G., Reinhardt, W., Sillaots, M.: Microblogging in technology enhanced learning: A use-case inspection of ppe summer school 2008. In: Workshop on Social Information Retrieval for Technology Enhanced Learning (2008)