| 2024 | EDUCON | Investigating Factors Contributing to Student Dropout in a STEM MOOC. | Tina P. Nantsou, Hector E. Nistazakis, George S. Tombras |
| 2021 | EDUCON | A Step that Paves the Way of Teaching Modern Electrical Circuits. | G. I. Eleftheriou, G. T. Kalkanis, Efstratios C. Kapotis, Hector E. Nistazakis |
| 2020 | EDUCON | 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 |
| 2019 | EDUCON | Pedagogical Approaches to 21st Century Learning: A Model to Prepare Learners for 21 | Ghassan Frache, George S. Tombras, Hector E. Nistazakis, Natoya Thompson |
| 2019 | EDUCON | 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 |
| 2017 | EDUCON | Reengineering engineering education: Developing a constructively aligned learning-by-doing pedagogical model for 21st century education. | Ghassan Frache, Hector E. Nistazakis, George S. Tombras |