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RT Book, Whole SR Print DC OPAC T1 Teaching mathematics in the elementary school : What's needed? What's happening? A1 National Education Association of the United States. Dept. of Elementary School Principals YR 1970 FD [1970] SP 121 p K1 Mathematics -- Study and teaching (Elementary) -- Addresses, essays, lectures PB National Association of Elementary School Principals PP Washington LA English (英語) CL LCC:QA135.5 CL DC:372.7 NO A collection of articles by various authors NO Bibliography: p. 119-121 NO 書誌ID=BB00047005; NCID=BA20501603; LK [OPAC]https://nierlib.nier.go.jp/opac/opac_link/bibid/BB00047005 LK [Webcat Plus]http://webcatplus-equal.nii.ac.jp/libportal/DocDetail?hdn_if_lang=jpn&txt_docid=NCID:BA20501603 OL 30