TY - BOOK AU - Harrison, Paul TI - Apex maths : extension through problem solving in mathematics. year 6. teacher's handbook SN - 9780521754972 U1 - 371.3028 HAR PY - 2003/// CY - Cambridge PB - Cambridge Univeristy Press KW - Mathematics - Study and teaching (Elementary) KW - Problem solving -- Study and teaching (Elementary) ER -