Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Imai Kaoru,Which System should be referred as to Insurance?,Hokengakuzasshi (JOURNAL of INSURANCE SCIENCE),03872939,The Japanese Society of Insurance Science,2015,2015,630,630_207-630_227,https://cir.nii.ac.jp/crid/1390282680141185408,https://doi.org/10.5609/jsis.2015.630_207