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HANAI RIKA. A Longitudinal Study on the Language Use of Japanese Mothers Residing in Korea : Focusing on Mothers Who Did Not Use Their Mother Tongue with Their Children. 同志社女子大学大学院文学研究科紀要 = Papers in Language, Literature, and Culture of the Graduate School of Doshisha Women's College of Liberal Arts. 2018. 18. 35-53
HANAI Rika. Language Choice in Japanese-Korean Families : Focusing on the Korean Language Heritage of Korean Mothers. 社会言語科学 = The Japanese journal of language in society. 2016. 19. 1. 207-214
INTERCULTURAL EDUCATION SOCIETY OF JAPAN
, THE SOCIETY FOR TEACHING JAPANESE AS A FOREIGN LANGUAGE
, JAPANESE ASSOCIATION OF THE SOCIOLINGUISTIC SCIENCES
, JAPAN ASSOCIATION FOR LANGUAGE POLICY
, 母語・継承語・バイリンガル研究会(MHB)学会