@article{oai:ynu.repo.nii.ac.jp:00002638, author = {溝口, 周二}, issue = {1/2}, journal = {横浜経営研究}, month = {Sep}, note = {application/pdf}, pages = {37--49}, title = {情報インフラ投資における価値創造とその評価}, volume = {24}, year = {2003} }