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  • × author_ss:"Oh, D.-G."
  • × year_i:[2020 TO 2030}
  1. Oh, D.-G.: Korean Decimal Classification (KDC) : its history, development, characteristics, and future prospect (2021) 0.01 
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  2. Oh, D.-G.: Comparative analysis of national classification systems : cases of Korean Decimal Classification (KDC) and Nippon Decimal Classification (NDC) (2023) 0.01 
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