Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI)
ITO Kenji,Signification and Theme of Six Sigma,Produetion Management,1341-528X,Japan Society for Production Management,2002,8,2,77-82,https://cir.nii.ac.jp/crid/1390282680260302080,https://doi.org/10.14846/seisankanri1995.8.2_77