RT Web Page DB /z-wcorg/ DS http://worldcat.org ID 844612209 LA English UL http://openurl.uquebec.ca:9003/uqam?url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&ctx_enc=info:ofi/enc:UTF-8&ctx_ver=Z39.88-2004&rfr_id=info:sid/sfxit.com:azlist&sfx.ignore_date_threshold=1&rft.issn=0025-5769 T1 The Mathematics teacher A1 National Council of Teachers of Mathematics., Association of Teachers of Mathematics in the Middle States and Maryland., Association of Mathematical Teachers in New England., PB Association of Teachers of Mathematics in the Middle States and Maryland PP Lancaster, Penns. YR 1908 SN 0025-5769