Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) SHOJI Yasushi,Comparison of the Value of Outdoor Recreation: A Case Study Applying Travel Cost Method and Contingent Valuation Method,Journal of The Japanese Institute of Landscape Architecture,13408984,Japanese Institute of Landscape Architecture,2001-03-30,64,5,685-690,https://cir.nii.ac.jp/crid/1390001205670981760,https://doi.org/10.5632/jila.64.685