author = { Beck, Dennis AND Perkins, Ross },

title = { Review of Educational Research Methods in Desktop Virtual World Environments: Framing the Past to Provide Future Direction },

publisher = {Virtual Worlds Institute, Inc.},

isbn = {1941-8477},

keywords = { Urology , Nephrology },

year = {2014},

url = { http://slubdd.de/katalog?TN_libero_mab2 }