Entrada Topical Term

Número de registros utilizados en: 1

001 - CONTROL NUMBER

• control field: 2429

003 - CONTROL NUMBER IDENTIFIER

• control field: EC-CFr

005 - DATE AND TIME OF LATEST TRANSACTION

• control field: 20251230090256.0

008 - FIXED-LENGTH DATA ELEMENTS

• fixed length control field: 251230|| aca||aabn | a|a d

040 ## - CATALOGING SOURCE

• Original cataloging agency: EC-CFr
• Transcribing agency: EC-CFr

150 ## - HEADING--TOPICAL TERM

• Topical term or geographic name entry element: COVID-19 - Aspectos económicos y sociales

670 ## - SOURCE DATA FOUND

• Source citation: Work cat.: (EC-CFr)1850: Vallejo López, Gabriel autor 2428, Servicio al cliente en un nuevo mundo: