Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Ruck Thawonmas and Yoshitaka Matsumoto,MMOG Player Classification Using Hidden Markov Models,,,Springer Berlin Heidelberg,2004-01-01,,,,https://cir.nii.ac.jp/crid/1872835442436383872,https://doi.org/10.1007/978-3-540-28643-1_55