| 2025 | EDUCON | The Universe for All: Hands-On Modern Physics for STEM Educators. | Tina P. Nantsou, S. Katsanevas, Chrysa Sofianopoulou, N. Tracas, George S. Tombras, Andromachi Tsirou |
| 2024 | EDUCON | Investigating Factors Contributing to Student Dropout in a STEM MOOC. | Tina P. Nantsou, Hector E. Nistazakis, George S. Tombras |
| 2022 | EDUCON | Hands-on Physics Experiments for K-6 Teachers at CERN. | Tina P. Nantsou, George S. Tombras |
| 2022 | EDUCON | Hands-on Experiments in Electricity for Physics Teachers and Students. | Tina P. Nantsou, George S. Tombras |
| 2022 | EDUCON | STEM Lab on Climate Change with Simple Hands-on Experiments. | Tina P. Nantsou, George S. Tombras |
| 2021 | EDUCON | A Lab of Hands-on STEM Experiments for Primary Teachers at CERN. | Tina P. Nantsou, Efstratios C. Kapotis, George S. Tombras |
| 2021 | EDUCON | Greek MOOC of Experiments with Simple Materials for Students Generates Significant Findings for Teachers and Physics Education. | Tina P. Nantsou, Efstratios C. Kapotis, George S. Tombras |
| 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 | The Use of Technology to Support Learning at Western Region Colleges, UAE. | Ghassan Frache, George S. Tombras, Kostas Stavropoulos, Gratchia Mkrttchian |
| 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 |
| 2008 | GLOBECOM | Error Rate Performance of Multilevel Signals with Coherent Detection. | Nikos C. Sagias, Ranjan K. Mallik, George S. Tombras |
| 2007 | PIMRC | Dual-Hop Relaying Networks over Nakagami-M Fading Channels. | Christos Datsikas, George S. Tombras, Nikos C. Sagias, Fotis I. Lazarakis, George C. Alexandropoulos, Antonis A. Alexandridis, Kostas Dangakis |
| 2006 | ISCAS | An approach for efficient design of digital amplifiers. | Nikolaos Vlassopoulos, Dionysios I. Reisis, George Lentaris, George S. Tombras, Evangelos A. Prosalentis, N. Ritas, Konstantinos S. Tsakalis |
| 2004 | PIMRC | Second order statistics and channel spectral efficiency for selection diversity receivers in Weibull fading. | Nikos C. Sagias, George K. Karagiannidis, Dimitris A. Zogas, Panayiotis Takis Mathiopoulos, George S. Tombras, Fotini-Niovi Pavlidou |
| 1998 | PIMRC | Spectral efficiency for FDMA and DS-CDMA in cellular systems. | Panagiotis Varzakas, George S. Tombras |
| 1994 | PIMRC | A point-to-point mobile radio prediction model based on effective height estimation for the region of Athens. | Fotis I. Lazarakis, Kostas Dangakis, Antonis A. Alexandridis, George S. Tombras |
| 1994 | PIMRC | Field measurements and coverage prediction model evaluation based on a geographical information system. | Fotis I. Lazarakis, Kostas Dangakis, Antonis A. Alexandridis, George S. Tombras |
| 1994 | PIMRC | System design requirements for mobile communications open to conformance testing. | A. C. Papavramidis, George S. Tombras |
| 1992 | PIMRC | Development of a conformance test system for ERMES receivers. | Kostas Dangakis, George S. Tombras, Antonis M. Paschalis, A. C. Papavramidis, Panos Kostarakis |
| 1992 | PIMRC | A conformance test system for DECT physical layer. | A. C. Papavramidis, Antonis M. Paschalis, O. Myrtue, Kostas Dangakis, George S. Tombras, Panos Kostarakis |