TY - BOOK T1 - Learning mathematics from hierarchies to networks T2 - Studies in mathematics education series A2 - Burton LA - English PP - London PB - Taylor & Francis YR - 1999 UL - http://discoverylib.upm.edu.my/discovery/Record/233535 OP - 265 CN - QA11 L438 SN - 075071008x KW - Mathematics : Study and teaching ER -