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)

Teachers' Implementation of a Hypermedia Application for Children with Severe Learning Disabilities. - Eleni Morfidi; Nikiforos M. Papachristos; Tassos A. Mikropoulos (INCoS, 2010)

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

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)

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)

Learning activities as enactments of learning affordances in MUVEs: A review-based classification. - Olga Mantziou; Nikiforos M. Papachristos; Tassos A. Mikropoulos (Educ. Inf. Technol., 2018)

SciLOET: A Framework for Assessing Digital Learning Objects for Science Education. - Tassos A. Mikropoulos; Nikiforos M. Papachristos (TECH-EDU, 2020)