Integrating virtual worlds & virtual learning environments for online education. - Michael J. Callaghan; Kerri McCusker; Julio Lopez Losada; Jim Harkin; Shane Wilson (ICE-GIC, 2009)

Game-based strategy to teaching electronic & electrical engineering in virtual worlds. - Michael J. Callaghan; Kerri McCusker; Julio Lopez Losada; Jim Harkin; Shane Wilson; Jean Dugas; Stephane Demots; Fabien Desbois; Alex Fouquet; Florence Sauviat (ICE-GIC, 2010)

Using Game-Based Learning in Virtual Worlds to Teach Electronic and Electrical Engineering. - Michael J. Callaghan; Kerri McCusker; Julio Lopez Losada; Jim Harkin; Shane Wilson (IEEE Trans. Ind. Informatics, 2013)