Blending asynchronous discussion groups and peer tutoring in higher education: An exploratory study of online peer tutoring behaviour. - Marijke De Smet; Hilde van Keer; Martin Valcke (Comput. Educ., 2008)

Cross-age peer tutors in asynchronous discussion groups: studying the impact of tutors labelling their interventions. - Marijke De Smet; Hilde van Keer; Martin Valcke (J. Comput. Assist. Learn., 2008)

Cross-age peer tutors in asynchronous discussion groups: Exploring the impact of three types of tutor training on patterns in tutor support and on tutor characteristics. - Marijke De Smet; Hilde van Keer; Bram de Wever; Martin Valcke (Comput. Educ., 2010)