Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Koyama Koichi,Marketing Channels’ Influence affecting Life Insurance’s Purchase,Hokengakuzasshi (JOURNAL of INSURANCE SCIENCE),03872939,The Japanese Society of Insurance Science,2016,2016,635,635_141-635_161,https://cir.nii.ac.jp/crid/1390282680139137664,https://doi.org/10.5609/jsis.2016.635_141