Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI)
"幸田, 亮一",The Beginning of Workers Tourism in Germany before the WWl,The Kumamoto-Gakuen Journal of Commerce,13410199,熊本学園大学,2012-10-28,17,1,21-39,https://cir.nii.ac.jp/crid/1050845762731710720,