Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) "Komuro, Tatsuaki and 小室, 達章",Risk Management System and PDCA Cycle,Treatises and studies by the Faculty of Kinjo Gakuin College,04538862,金城学院大学,2009,6,1,1-12,https://cir.nii.ac.jp/crid/1050001202833399424,