Wheeler, Steve (2007) The influence of communication technologies and approaches to study on transactional distance in blended learning. Association for Learning Technology Journal, 15 (2). pp. 103-117. ISSN 0968-7769 (print)/1741-1629 (online)

Wheeler, Steve and Kelly, Peter and Gale, Ken (2005) The influence of online problem-based learning on teachers' professional practice and identity. Association for Learning Technology Journal, 13 (2). pp. 125-137. ISSN 0968-7769 (print)/1741-1629 (online)