Entry Tema-Encabezamiento de Materia

Number of records used in: 4

001 - CONTROL NUMBER

• control field: 9858

003 - CONTROL NUMBER IDENTIFIER

• control field: MX-MxCDU

005 - DATE AND TIME OF LATEST TRANSACTION

• control field: 20230526101250.0

008 - FIXED-LENGTH DATA ELEMENTS

• fixed length control field: 230526|| aca||aabn | a|a d

040 ## - CATALOGING SOURCE

• Original cataloging agency: MX-MxCDU
• Transcribing agency: MX-MxCDU

150 ## - HEADING--TOPICAL TERM

• Topical term or geographic name entry element: Covid-19 (Enfermedad)
• General subdivision: Aspectos sociales
• Geographic subdivision: México

670 ## - SOURCE DATA FOUND

• Source citation: Work cat.: (MX-MxCDU)304407: Migración y desigualdades ante la pandemia de COVID-19 en México y Estados Unidos /, 2021