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Meaning and Practice in Arithmetic. ([By] Leo J. Brueckner, Foster Grossnickle, Elda L. Merton.) Grade 3( -9). [Grade 9 by L.J. Brueckner, F. Grossnickle and Fred L. Bedford.].

Leo John Brueckner

出版	Philadelphia [1943], 1943
URL	http://books.google.com.hk/books?id=p2kjMwEACAAJ&hl=&source=gbs_api