Game Design on Item-selling Based Payment Model in Korean Online Games

@Conference{digra318, title ="Game Design on Item-selling Based Payment Model in Korean Online Games", year = "2007", author = "Oh, Gyuhwan and Ryu, Taiyoung", publisher = "DiGRA", address = "Tampere", howpublished = "\url{https://dl.digra.org/index.php/dl/article/view/318}", booktitle = "Proceedings of DiGRA 2007 Conference: Situated Play"}