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- 2021년 제4권 제3호 저널 [Open Access] [Commentary] What is the role of professors? by Hwa-Bok Choi Journal of Health and Welfare Institute, 2021, 4(3), 1-5; https://cafe.naver.com/healthyandwelfare
- Adaptation of Mandarin falling diphthongs in Chinese Korean: The role of linguistic and sociolinguistic factors Adaptation of Mandarin falling diphthongs in Chinese Korean: The Role of Linguistic and Sociolinguistic highest education levels and maintains a strong sense of ethnic identity by using the Korean language (Choi