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)

Research for a Teaching Approach: An Example of Addressing the High School Students' Conceptual and Reasoning Difficulties in the Study of Direct Current Simple Electric Circuits. - Gerasimos Vavasis; Efstratios C. Kapotis; George S. Tombras (Int. J. Recent Contributions Eng. Sci. IT, 2022)

High School Students' Difficulties and their Causes due to the Electromotive Force, in the Study of Direct Current Simple Electric Circuits. - Gerasimos Vavasis; Efstratios C. Kapotis; George S. Tombras (Int. J. Recent Contributions Eng. Sci. IT, 2022)