Shared Fun Is Doubled Fun: Player Enjoyment as a Function of Social Setting.

Brian J. Gajadhar Yvonne de Kort Wijnand A. IJsselsteijn Shared Fun Is Doubled Fun: Player Enjoyment as a Function of Social Setting. 106-117 2008 Fun and Games http://dx.doi.org/10.1007/978-3-540-88322-7_11 conf/fungames/2008 db/conf/fungames/fungames2008.html#GajadharKI08