Media type: Book; Thesis Title: The relative difficulty of certain topics in mathematics for slow-moving ninth grade pupils Contributor: Mallory, Virgil S. [Author] Published: New York: Bureau of Publications Teachers College, Columbia University, 1939 Published in: Contributions to education ; 769 Extent: X, 179 S. Language: English Origination: Keywords: Hochschulschrift Footnote:
Central Library – external stack Shelf-mark: 18 8 00980 061 01 0 1 Item ID: 33456206 Status: Loanable, place order > Ordering possible ‒ please log in