Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Kubota Atsushi and Okada Kouji and Sekiguchi Kouji and Imanoya Fumito,"A Case of Product Development Process Improvement at Hitachi Ltd, . Semiconductor and Integrated Circuit Division",Proceedings (National Conferences of The Society of Project Management),,The Society of Project Management,2003,2003.Autumn,0,223-228,https://cir.nii.ac.jp/crid/1390282680617919872,https://doi.org/10.14914/spm.2003.autumn.0_223