00419nam a2200145Ia 450000500170000000800460001703700120006304000200007504100130009508400190010810000230012724500760015026000330022630000140025920250508162044.0008  250505s9999    xx            000 0 eng d  aTextual  aFEDLbengcFEDL  aeng2eng  a375, REIqFEDL  aReid William A Ed. 0aCase studies in curriculum change : Great Britain and the United States  aLondon, UKbRoutledge c1975  axiv,268p.