Age and Survey-Year Effects on Self-Esteem in Japan : 論文 Atsushi Oshio・Ryo Okada・Madoka Mogaki・Tsutomu Namikawa・Takafumi Wakita ·2014-01-01 ·『The Japanese Journal of Educational Psychology』 62(4) pp. 273-282 doi:10.5926/jjep.62.273