Effects of gender-identity and gender-congruence on levels of politeness among young Japanese and Koreans 論文 Katsuo Tamaoka・Hyunjung Lim Yamaguchi・Yayoi Miyaoka・Sachiko Kiyama ·2010-01-14 ·『Journal of Asian Pacific Communication』 20(1) pp. 23-45 doi:10.1075/japc.20.1.02tam