Kiyoharu Hara

1960

• "Tsukaisuterareru wakamonotachi" wa kakusa shakai no shōchō ka
• Jakunen shūrō mondai to gakuryoku no hikaku kyōiku shakaigaku
• Netto ijime wa naze "itai" no ka
• Sengo Nihon gakuryoku chōsa shiryōshū