Improving mathematical problem solving: A computerized approach. - Egbert G. Harskamp; Cor J. M. Suhre (Comput. Hum. Behav., 2006)

Schoenfeld's problem solving theory in a student controlled learning environment. - Egbert G. Harskamp; Cor J. M. Suhre (Comput. Educ., 2007)

The effect of the timing of instructional support in a computer-supported problem-solving program for students in secondary physics education. - Henk J. Pol; Egbert G. Harskamp; Cor J. M. Suhre (Comput. Hum. Behav., 2008)

How indirect supportive digital help during and after solving physics problems can improve problem-solving abilities. - Henk J. Pol; Egbert G. Harskamp; Cor J. M. Suhre; Martin J. Goedhart (Comput. Educ., 2009)

Exploring gender and gender pairing in the knowledge elaboration processes of students using computer-supported collaborative learning. - Ning Ding; R. J. Bosker; Egbert G. Harskamp (Comput. Educ., 2011)

Procedural versus content-related hints for word problem solving: an exploratory study. - Willem D. de Kock; Egbert G. Harskamp (J. Comput. Assist. Learn., 2016)

Video instruction with explanation to another person for intellectually disabled students. - Henk Blik; Egbert G. Harskamp; S. van Leeuwen; R. Hoekstra (J. Comput. Assist. Learn., 2017)