Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) SUWA Hirohiko and YAMAMOTO Hitoshi and OKADA Isamu and OHTA Toshizumi,Effect on Environmentally Conscious Behavior by Using Environment Material of Teaching Social Dilemma,Japanese Journal of Environmental Education,09172866,The Japanese Society for Environmental Education,2008,18,2,15-25,https://cir.nii.ac.jp/crid/1390001205172783744,https://doi.org/10.5647/jsoee.18.2_15