@article{edd569bc226b4ea788f2d0d3040d8533,
title = "Student perceptions of teaching presence, social presence and cognitive presence in a virtual world.",
keywords = "information and communication technologies and e-learning, learning, educational science and teaching",
author = "Ross McKerlich and Marianne Riis and Terry Anderson and Brad Eastman",
year = "2011",
language = "English",
volume = "7",
pages = "324--336",
journal = "Merlot - Journal of Online Learning and Teaching",
issn = "1558-9528",
publisher = "Multimedia Educational Resource for Learning and Online Teaching (M E R L O T)",
number = "3",
}