Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI)
YOKOYAMA H.,Green Tourism and Ecotourism in Europe(Ecotourism : Problems of Compatibility between Regional Development and Nature Conservation),GEOGRAPHICAL SCIENCES,02864886,THE JAPANESE SOCIETY FOR GEOGRAPHICAL SCIENCES,2002,57,3,168-175,https://cir.nii.ac.jp/crid/1390282679415409536,https://doi.org/10.20630/chirikagaku.57.3_168