Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) MURAKAMI TATSUYA and NISHIMURA TAKUMA and SAKURAI SHIGEO,"Prosocial Behavior Toward Family, Friends, and Strangers :",The Japanese Journal of Educational Psychology,00215015,The Japanese Association of Educational Psychology,2016,64,2,156-169,https://cir.nii.ac.jp/crid/1390001204785009664,https://doi.org/10.5926/jjep.64.156