@article{oai:soka.repo.nii.ac.jp:00037538, author = {貫, 隆夫 and Nuki, Takao}, issue = {1}, journal = {創価経営論集}, month = {Feb}, pages = {27--38}, title = {エコプロダクトの概念と類型}, volume = {34}, year = {2010} }