@inproceedings{DiGRA-2007-OhR,
	author        = "Gyuhwan Oh and Taiyoung Ryu",
	booktitle     = "{Proceedings of the Fourth DiGRA International Conference: Situated Play}",
	ee            = "http://www.digra.org/digital-library/publications/game-design-on-item-selling-based-payment-model-in-korean-online-games/",
	publisher     = "{Digital Games Research Association}",
	title         = "{Game Design on Item-selling Based Payment Model in Korean Online Games}",
	year          = 2007,
}