Reengineering engineering education: Developing a constructively aligned learning-by-doing pedagogical model for 21st century education. - Ghassan Frache; Hector E. Nistazakis; George S. Tombras (EDUCON, 2017)

Pedagogical Approaches to 21st Century Learning: A Model to Prepare Learners for 21st Century Competencies and Skills in Engineering. - Ghassan Frache; George S. Tombras; Hector E. Nistazakis; Natoya Thompson (EDUCON, 2019)

The Use of Technology to Support Learning at Western Region Colleges, UAE. - Ghassan Frache; George S. Tombras; Kostas Stavropoulos; Gratchia Mkrttchian (EDUCON, 2019)

Research and Categorization of Conceptual Difficulties in Electricity's Concepts and Basic Laws. - Ghassan Frache; Gerasimos Vavasis; Gratchia Mkrttchian; K. Stavropoulos; Efstratios C. Kapotis; Hector E. Nistazakis; George S. Tombras (EDUCON, 2019)

Learning-by-Doing as an Educational Method of Conducting Experiments in Electronic Physics. - Tina P. Nantsou; Ghassan Frache; Efstratios C. Kapotis; Hector E. Nistazakis; George S. Tombras (EDUCON, 2020)