Context Aware e-Learning Objects and their Types from the Perspective of the Object-Oriented Paradigm. - Hansjoerg von Brevern (ICALT, 2004)

Cognitive and Logical Rationales for e-Learning Objects. - Hansjoerg von Brevern (J. Educ. Technol. Soc., 2004)

Systemic-Structural Theory of Activity: A Model for Holistic Learning Technology Systems. - Hansjoerg von Brevern; Kateryna Synytsya (ICALT, 2005)

A Systemic Activity based Approach for Holistic Learning & Training Systems. - Hansjoerg von Brevern; Kateryna Synytsya (J. Educ. Technol. Soc., 2006)