Designing a Collaborative Learning Activity in Second Life - An Exploratory Study in Physics. - Ioannis Vrellis; Nikiforos M. Papachristos; Joan Bellou; Nikolaos M. Avouris; Tassos A. Mikropoulos (ICALT, 2010)

Technological Factors, User Characteristics and Didactic Strategies in Educational Virtual Environments. - Antonis Natsis; Ioannis Vrellis; Nikiforos M. Papachristos; Tassos A. Mikropoulos (ICALT, 2012)

Primary School Students' Attitude towards Gesture Based Interaction: A Comparison between Microsoft Kinect and Mouse. - Ioannis Vrellis; Athanasios Moutsioulis; Tassos A. Mikropoulos (ICALT, 2014)

The role of environment design in an educational Multi-User Virtual Environment. - Nikiforos M. Papachristos; Ioannis Vrellis; Antonis Natsis; Tassos A. Mikropoulos (Br. J. Educ. Technol., 2014)

Do Children in the Spectrum of Autism Interact with Real-time Emotionally Expressive Human Controlled Avatars? - Olga Mantziou; Ioannis Vrellis; Tassos A. Mikropoulos (DSAI, 2015)

A Comparison between Oculus Rift and a Low-Cost Smartphone VR Headset: Immersive User Experience and Learning. - Nikiforos M. Papachristos; Ioannis Vrellis; Tassos A. Mikropoulos (ICALT, 2017)

From Expert Consulting to Co-creation in Medical Education; Co-creating an Exploratory Educational Space for Orthopedic Medical Education. - Panagiotis E. Antoniou; Anna Bamidou; Ioannis Tartanis; Ioannis Vrellis; Panagiotis D. Bamidis (TECH-EDU, 2018)

Seeing the unseen: user experience and technology acceptance in Augmented Reality science literacy. - Ioannis Vrellis; Michael Delimitros; Panagiota Chalki; Pavlos Gaintatzis; Ioanna Bellou; Tassos A. Mikropoulos (ICALT, 2020)

Augmented and virtual environments for students with intellectual disability: design issues in Science Education. - Georgia Iatraki; Michael Delimitros; Ioannis Vrellis; Tassos A. Mikropoulos (ICALT, 2021)

Teachers' Experience When Using Interactive Applications with Augmented Reality Glasses. - George Koutromanos; Ioannis Vrellis; Tassos A. Mikropoulos; Tryfon Sivenas (iLRN, 2023)

Learning from Immersive Augmented Reality on COVID-19 Transmission. - Ioannis Vrellis; Tassos A. Mikropoulos; George Koutromanos (iLRN (1), 2024)

Teachers' experience and situation awareness of airborne disease transmission through immersive augmented reality. - Ioannis Vrellis; Tassos Anastasios Mikropoulos; George Koutromanos (Comput. Educ. X Real., 2025)