@techreport{weko_144760_1,
   author	 = "栗原,一貴",
   title	 = "既存ゲームに寄生するゲーミフィケーション",
   year 	 = "2015",
   institution	 = "津田塾大学",
   number	 = "5",
   month	 = "aug"
}