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  • × classification_ss:"025.4/31 / dc20"
  • × year_i:[1990 TO 2000}
  1. Comaroni, J.P.; Satija, M.P.: Exercises in the 20th edition of the Dewey Decimal Classification (1990) 0.04 
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    LCSH
    Classification, Dewey decimal / Problems, exercises, etc
    Subject
    Classification, Dewey decimal / Problems, exercises, etc
  2. Davis, S.W.: DDC 20 workbook : a practical introduction to the Dewey Decimal Classification (1992) 0.02 
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    LCSH
    Classification, Dewey decimal / Problems, exercises, etc
    Subject
    Classification, Dewey decimal / Problems, exercises, etc

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