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Entrada Topical Term
Número de registros utilizados en: 4
001 - CONTROL NUMBER
- control field: 26987
003 - CONTROL NUMBER IDENTIFIER
- control field: MX-TeUDD
005 - DATE AND TIME OF LATEST TRANSACTION
- control field: 20211116145739.0
008 - FIXED-LENGTH DATA ELEMENTS
- fixed length control field: 211116|| aca||aabn | a|a d
040 ## - CATALOGING SOURCE
- Original cataloging agency: MX-TeUDD
- Transcribing agency: MX-TeUDD
150 ## - HEADING--TOPICAL TERM
- Topical term or geographic name entry element: Science-Study and teaching (Elementary)
670 ## - SOURCE DATA FOUND
- Source citation: Work cat.: (MX-TeUDD)283416: Bases para organizar el curriculum de ciencias :, 1974