Lehman, R. M., & Conceição, S. C. O. (2014). Motivating and Retaining Online Students: Research-Based Strategies That Work. San Francisco: Jossey-Bass.
Conceição, S. C., & Lehman, R. M. (2011). Managing Online Instructor Workload: Strategies for Finding Balance and Success. San Francisco: Jossey-Bass.
Lehman, R. M., & Conceição, S. C. (2010). Creating a Sense of Presence in Online Teaching: How to ‘Be There’ for Distance Learners. San Francisco: Jossey-Bass.