@techreport{weko_33818_1, author = "藤倉,俊幸", title = "複数シーケンス図を使ったシナリオ検証とタスク設計", year = "2008", institution = "イーソル株式会社リサーチ&コンサルテーションサービス部", number = "55(2008-EMB-009)", month = "jun" }