Cash Trade Within the Magic Circle: Free-to-Play Game Challenges and Massively Multiplayer Online Game Player Responses

@Conference{digra269, title ="Cash Trade Within the Magic Circle: Free-to-Play Game Challenges and Massively Multiplayer Online Game Player Responses", year = "2007", author = "Lin, Holin and Sun, Chuen-Tsai", publisher = "DiGRA", address = "Tampere", howpublished = "\url{https://dl.digra.org/index.php/dl/article/view/269}", booktitle = "Proceedings of DiGRA 2007 Conference: Situated Play"}