de Freitas, Sara and Rebolledo-Mendez, G. and Liarokapis, F. and Magoulas, George D. and Poulovassilis, Alexandra (2010) Learning as immersive experiences: using the four-dimensional framework for designing and evaluating immersive learning experiences in a virtual world. British Journal of Educational Technology 41 (1), pp. 69-85. ISSN 0007-1013.

de Freitas, Sara and Rebolledo-Mendez, G. and Liarokapis, F. and Magoulas, George D. and Poulovassilis, Alexandra (2009) Developing an evaluation methodology for immersive learning experiences in a virtual world. In: UNSPECIFIED (ed.) Conference in Games and Virtual Worlds for Serious Applications. New York, USA: Institute of Electrical and Electronics Engineers, pp. 43-50. ISBN 9780769535883.

de Freitas, Sara and Harrison, I. and Magoulas, George D. and Papamarkos, G. and Poulovassilis, Alexandra and van Labeke, N. and Mee, A. and Oliver, M. (2008) L4All: a web-service based system for lifelong learners. In: Salerno, S. and Gaeta, M. and Ritrovato, P. and Capuano, N. and Orciuoli, F. and Miranda, S. and Pierri, A. (eds.) The Learning Grid Handbook: Concepts, Technologies and Applications: The Future of Learning. Amsterdam, The Netherlands: IOS Press, pp. 143-155. ISBN 9781586038298.

de Freitas, Sara and Oliver, M. (2006) How can exploratory learning with games and simulations within the curriculum be most effectively evaluated? Computers and Education 46 (3), pp. 249-264. ISSN 0360-1315.

de Freitas, Sara and Oliver, M. (2005) Does e-learning policy drive change in Higher Education?: A case study relating models of organisational change to e-learning implementation. Journal of Higher Education Policy and Management 27 (1), pp. 81-96. ISSN 1360-080X.

de Freitas, Sara and Levene, Mark (2005) Spam. In: Ghaoui, Claude (ed.) Encyclopedia of human computer interaction. Hershey, Pa.; London: Idea Group Reference (an imprint of Idea Group Inc.), pp. 553-558. ISBN 1591405629.

de Freitas, Sara and Levene, Mark (2005) Wearable and mobile devices. In: Ghaoui, Claude (ed.) Encyclopedia of human computer interaction. Hershey, Pa.; London: Idea Group Reference (an imprint of Idea Group Inc.), pp. 706-712. ISBN 1591405629.

Keenoy, K. and de Freitas, Sara and Levene, Mark and Jones, A. and Brasher, A. and Waycott, J. and Kaszas, P. and Turcsanyi-Szabo, M. and Montandon, L. (2004) Personalised trails and learner profiling within e-learning environments. Personalised and Collaborative Trails of Digital and Non-Digital Learning Objects D22 (4.1), pp. 1-43.

Keenoy, K. and Levene, Mark and de Freitas, Sara and Emans, B. and Schoonenboom, J. and Jones, A. and Brasher, A. and Waycott, J. and Turcsanyi-Szabo, M. and Bodnar, E. and Pernin, J.P. and Eyssautier, C. and Montandon, L. (2004) Collaborative trails in e-learning environments. Personalised and Collaborative Trails of Digital and Non-Digital Learning Objects D22 (4.2), pp. 1-62.

de Freitas, Sara and Levene, Mark (2004) Spam on the Internet: can it be eradicated or is it here to stay? JISC Technology and Standards Watch Report (TSW040), pp. 1-24.

de Freitas, Sara and Levene, Mark (2003) Evaluating the development of wearable devices, personal data assistants and the use of other mobile devices in further and higher education institutions. JISC Technology and Standards Watch Report (TSW030), pp. 1-21.