00457nam a2200169Ia 450000500170000000800460001703700120006304000200007504100130009508400210010810000190012924500490014825000060019726000480020330000140025165000220026520250508161319.0008  250505s9999    xx            000 0 eng d  aTextual  aFEDLbengcFEDL  aeng2eng  a371.3, BUTqFEDL  aButler Frank A 0aImprovement of teaching in secondary schools  a3  aEnglandbUniversity of Chicago Press c1954  axii,433p.  aTeaching Techniqe