Etiqueta de registo: 00000nx a2200025 45
001 1813194
003 http://id.bnportugal.gov.pt/aut/catbnp/1813194
100 ## $a20210702apory0103 ba0
102 ## $aCN
152 ## $aRPC
200 #0 $aYuan,$bQin
801 #0 $aPT$bBN
810 ## $aUrban community home-based elderly care service system
830 ## $aDout. Management
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