Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Garrett Hardin,The Tragedy of the Commons,Science,0036-8075,American Association for the Advancement of Science (AAAS),1968-12-13,162,3859,1243-1248,https://cir.nii.ac.jp/crid/1363670318936019712,https://doi.org/10.1126/science.162.3859.1243