Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) M. Takezawa and Y. Maeno and M. Maezawa and H. Gotoh,Current status of marine leisure activities in Japan,WIT Transactions on Ecology and the Environment,1746-448X,WIT Press,2008-08-15,I,,23-33,https://cir.nii.ac.jp/crid/1874242817457908864,https://doi.org/10.2495/st080031