1. Online Education in the United States 2010 Sloan Survey of Online Learning Babson Survey Research Group. Online Education in the United States 2010 E. Allen J Seaman 2010. Class Differences 2010
2. Investing in On-line Learning: Potential Benefits and Limitations
3. Batten L. & Skinner M. 1997. The Lecturers Job: A Survey of Conditions of Service in New Universities and Higher education Commissioned by Natfhe. Epsom: Crossbow Research. Batten L. & Skinner M. 1997. The Lecturers Job: A Survey of Conditions of Service in New Universities and Higher education Commissioned by Natfhe. Epsom: Crossbow Research.
4. Earley P. 1994. Lecturers' Workload and Factors Affecting Stress Levels: A research report from the NFER. Slough: Natfhe. Earley P. 1994. Lecturers' Workload and Factors Affecting Stress Levels: A research report from the NFER. Slough: Natfhe.
5. Identification of critical timeconsuming student support activities in e-learning