1. Sullivan, K. P. H., & Lindgren, E. (2006). Computer keystroke logging: Methods and Applications. Oxford, England: Elsevier.

2. Spelman Miller, K., Lindgren, E., & Sullivan, K. P. H. (2008). The psycholinguistic dimension in second language writing: opportunities for research and pedagogy using computer keystroke logging. TESOL Quarterly. 42 (3): 433-454

3. Zhao, H., Mellenius, I., & Sullivan, K. P. H. (2014). Participation, interaction and social presence: collaboration in online peer review groups. British Journal of Educational Technology, 45(5): 807-819.