Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) HAMAGUCHI YOSHIKAZU,Development of Self-Report Proactive and Reactive Aggressiveness Scales for University Students (SPRAS-U) :,The Japanese Journal of Educational Psychology,00215015,The Japanese Association of Educational Psychology,2017,65,2,248-264,https://cir.nii.ac.jp/crid/1390001204785169792,https://doi.org/10.5926/jjep.65.248