Kleimola, R., Leppisaari, I., Impiö, P. & Hakala, I. (2006). Reflections on the possibilities and challenges of mobile guidance in the context of international internship. Proceedings of the IADIS International conference on Cognition and Exploratory Learning in Digital Age.https://www.researchgate.net/publication/263620477
Hakala, I., Impiö, P. & Myllymäki, M.. (2004). The role of the learning environment in the education network. Proceedings of the 15th EAEEIE Annual Conference on Innovation in Education for Electrical and Information Engineering, Sofia, Bulgaria, 27th-29th May 2004.https://www.researchgate.net/publication/259678339