Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) HAMADA Shunya,Effect of gamification and effects of praise-seeking and rejection avoidance motivations: a moderated mediation analysis,Journal of Digital Games Research,18820913,Digital Games Research Association Japan,2021,14,1,33-44,https://cir.nii.ac.jp/crid/1390006740593740928,https://doi.org/10.9762/digraj.14.1_33