H. Friedrich

A Framework for Designing and Evaluating Virtual Seminars

F. Hesse, H. Friedrich, A. Hron, 2001 .

Factors Influencing Pupils' Acceptance of an E-Learning System for Secondary Schools

H. Friedrich, A. Hron, 2010 .

Factors affecting teachers’ student-centered classroom computer use

H. Friedrich, A. Hron, 2011 .

A Framework for Designing and Evaluating Virtual

H. Friedrich, A. Hron, 2001 .

Rearch and development of teaching /learning models for guided self-instruction

Wolfgang Schnotz, H. Mandl, W. Schnotz, 1990 .

A review of web-based collaborative learning: factors beyond technology

A. Hron, H. F. Friedrich, H. Friedrich, 2003, J. Comput. Assist. Learn..