Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Tsuchiya Hiroki and Sakai Kazuhito and Yoshinaga Anshun and Momii Kazuro and Sakurai Kunitoshi,Evaluation by Contingent Valuation Method of Willingness-To-Pay for Red Soil Erosion Prevention in Okinawa,Journal of Rainwater Catchment Systems,13438646,Japan Rainwater Catchment Systems Association,2011,16,2,39-44,https://cir.nii.ac.jp/crid/1390001204487160320,https://doi.org/10.7132/jrcsa.kj00007225457