Design Requirements of a Virtual Learning Environment for Resource Sharing. - Nikos Barbalios; Irene A. Ioannidou; Panagiotis Tzionas; Stefanos Paraskeuopoulos (ITS, 2012)

A model supported interactive virtual environment for natural resource sharing in environmental education. - Nikos Barbalios; Irene A. Ioannidou; Panagiotis Tzionas; Stefanos Paraskeuopoulos (Comput. Educ., 2013)