Applications of hypertext: Technologies for higher education. - David H. Jonassen; R. Scott Grabinger (J. Comput. High. Educ., 1993)

Problem-Based Learning as an Example of Active Learning and Student Engagement. - R. Scott Grabinger; Joanna C. Dunlap (ADVIS, 2002)

Discussion. - R. Scott Grabinger (Comput. Hum. Behav., 2009)