Requirements for WEB based courseware delivery system. - Ivo Hristov (CompSysTech, 2003)

An Architecture of eLearning Enterprise Authoring Studio . - Ivo Hristov (INC, 2010)

Measuring the Learning Progress in a "Learning by Authoring" Semantic Web Services based Ecosystem. - Ivo Hristov; Gennady Agre; Danail Dochev (CSEDU (2), 2011)