@article{oai:ipsj.ixsq.nii.ac.jp:00060911, author = {鎌田, 真由美 and Mayumi, ITAKURA.KAMATA}, issue = {4}, journal = {情報処理}, month = {Apr}, pages = {347--356}, title = {要求工学:1.要求工学の現状と課題}, volume = {49}, year = {2008} }