1. Student involvement: a developmental theory for higher education;Astin;Journal of College Student Personnel,1984
2. Seven principles for good practice in undergraduate education;Chickering;AAHE Bulletin,1987
3. Microblogs in higher education-A chance to facilitate informal and process oriented learning?;Ebner;Computers & Education,2010
4. Faculty Focus 2010 Twitter in Higher Education 2010: Usage Habits and Trends of Today's College Faculty http://www.facultyfocus.com/free-reports/twitter-in-higher-education-2010-usage-habits-and-trends-of-todays-college-faculty/