TY - BOOK AU - Upitis, Rena AU - William, Higginson (jt. auth) AU - Higginson, William (jt. auth) TI - Creative mathematics: exploring childred,s understanding SN - 041516463 U1 - 510.7 PY - 1997/// CY - London PB - Routledge KW - Mathematic-Study and teaching N1 - Includ index ER -