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Número de registros utilizados en: 5

001 - CONTROL NUMBER

• control field: 8341

003 - CONTROL NUMBER IDENTIFIER

• control field: LC (Library of Congress)

005 - DATE AND TIME OF LATEST TRANSACTION

• control field: 20180729222701.0

008 - FIXED-LENGTH DATA ELEMENTS

• fixed length control field: 100311|| anannbabn |n ana d

040 ## - CATALOGING SOURCE

• Original cataloging agency: DGB/UNAM
• Language of cataloging: spa
• Transcribing agency: DGB/UNAM

150 ## - HEADING--TOPICAL TERM

• Topical term or geographic name entry element: Servicio social
• Geographic subdivision: México

450 #0 - SEE FROM TRACING--TOPICAL TERM

• Topical term or geographic name entry element: Social service
• Geographic subdivision: Mexico

670 ## - SOURCE DATA FOUND

• Source citation: DGB/UNAM, 11 marzo 2010:
• Information found: catálogo electrónico (Servicio social--México)

670 ## - SOURCE DATA FOUND

• Source citation: Escamilla González. Lista de encabezamientos de materia, 1978:
• Information found: p. 766 (Servicio social--México)

902 ## -

• : ERC/ERC/SLB

903 ## -

• : Nivel 3