URL,Title,Author,University,Degree year,Grant ID,Types of degree,DOI,URL(DOI) https://cir.nii.ac.jp/crid/1910302385685926656,観光発展史におけるマスツーリズムの意義,"郭, 倩 and GUO, QIAN",北海商科大学,2020,博(商学)甲第8号,博士(商学),,