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Last edited by bitnapper
January 7, 2023
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History of edits to

Developmental mathematics

Revision When Who Comment Diff
4 January 7, 2023
bitnapper
 merge authors    
3 October 18, 2022
ImportBot
 import existing book    
2 December 4, 2010
Open Library Bot
 Added subjects from MARC records.    
1 December 10, 2009
WorkBot
 add works page