TY - BOOK ID - 131015330 TI - Communication in mathematics, K-12 and beyond AU - Elliott, Portia C. AU - Kenney, Margaret J. PY - 1996 SN - 0873534239 PB - Reston, Va National Council of Teachers of Mathematics DB - UniCat KW - Didactics of mathematics UR - https://www.unicat.be/uniCat?func=search&query=sysid:131015330 AB - ER -