1. Time flies when you’re having fun: Cognitive absorption and beliefs about information technology usage;Agarwal;MIS Quarterly,2000
2. The Q method page;Atkinson,1992
3. Hearts, clubs, diamonds, spades: Players who suit MUDs;Bartle,1996
4. Culture, nationality and demographics in ultimatum games;Botelho,2000
5. Psychology of motivation;Brown,2007