00517nam a22001812  4500001001100000005001700011008004100028020001700069040001500086245008400101250001300185260003200198300001800230650004900248700003200297852000300329852000300332000001951920151217145917.0110105s         xx           000 0 eng d  a0826477704 :  aKABUcKABU10aPattern in the teaching and learning of mathematics /cedited by Anthony Orton.  a1st  ed.  aLondon :bContinuum,c1999.  aviii, 232  p. 0aMathematicsxStudy and teaching.@00001596071 aOrton, Anthony.@00001792491 1