著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL "Martinho, Vítor João Pereira Domingues",Economics of tourism in Portugal : impacts of the COVID-19 pandemic,,Springer,2021,Springer briefs in economics,,9783030651992,,https://cir.nii.ac.jp/crid/1130010301051622284