00549nam a2200169Ia 4500008004100000020001800041040001900059041001200078082002700090100001800117245013100135260003300266300002200299650001600321700002200337850002000359131103s9999    xx            000 0 und d  a0 7005 1212 8  aLoreto College  aEnglish  a510.7/HARbLCBED/11513  aHart,Kathleen  aChildren's mathematical frameworks 8 - 13b a study of classroom teaching cKathleen Hart & Others; edited by David C. Johnson  aEnglandbNfer - Nelsonc1989  axi,226p. c 22cm.  aMathematics  aJohnson, David C.  aLCBED/510.7/HAR