CopperCore Service Integration - Integrating IMS Learning Design and IMS Question and Test Interoperability. - Hubert Vogten; Harrie Martens; Rob Nadolski; Colin Tattersall; Peter van Rosmalen; Rob Koper (ICALT, 2006)

CopperCore service integration. - Hubert Vogten; Harrie Martens; Rob Nadolski; Colin Tattersall; Peter van Rosmalen; Rob Koper (Interact. Learn. Environ., 2007)

Using the Personal Competence Manager as a complementary approach to IMS Learning Design authoring. - Hubert Vogten; Rob Koper; Harrie Martens; Jan van Bruggen (Interact. Learn. Environ., 2008)

The Personal Competence Manager. - Hubert Vogten; Harrie Martens (Learning Network Services for Professional Development, 2009)

Personal Development Planner. - Hubert Vogten; Harrie Martens (Learning Network Services for Professional Development, 2009)

The TENCompetence Infrastructure: A Learning Network Implementation. - Hubert Vogten; Harrie Martens; Ruud Lemmers (Learning Network Services for Professional Development, 2009)