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The Teacher of Mathematics and the War Savings Program
Walter Wilson HartVeryl SchultViolet Coldren
其他書名
Including Problems for Elementary and High School Classes in Mathematics and Business Arithmetic : a Schools-at-war Bulletin
出版Education Section of the War Finance Division, U.S. Treasury Department, 1943
URLhttp://books.google.com.hk/books?id=u9pLAAAAMAAJ&hl=&source=gbs_api
EBookFULL_PUBLIC_DOMAIN
註釋Incudes problems for elementary and high school classes in mathematics and business arithmetic.