Yusuke Hayashi Jacqueline Bourdeau Riichiro Mizoguchi Ontological Support for a Theory-Eclectic Approach to Instructional and Learning Design. 155-169 2006 conf/ectel/2006 EC-TEL http://dx.doi.org/10.1007/11876663_14 db/conf/ectel/ectel2006.html#HayashiBM06