00634nam a2200217Ia 450000100060000000300050000600500170001100800410002801000150006903500200008404000180010410000320012224500540015425000110020826000480021930000110026750400510027865000200032965000350034965000320038485000BIBL20181004021932.0711214s1954    ilu      b    001 0 eng d  a 54010718   a(OCoLC)00182701  aWSUcWSUdOCL10aButler, Frank Arthur2Local14aThe improvement of teaching in secondary schools.  a3d ed.0 aChicagobUniversity of Chicago Pressc1954.  a433 p.  aIncludes bibliographical references and index. 0aTeaching2Local 0aLearning, Psychology of2Local 0aEducation, Secondary2Local