@article{weko_89367_1, author = "嶋津恵子 and 古川康一", title = "2x2requirementチャート適用による開発並びに運用コスト低減の評価", journal = "デジタルプラクティス", year = "2012", volume = "3", number = "2", pages = "164--172", month = "apr" }