00974nam a2200289 i 450099100073899970753620020507172948.0971218s1974 us ||| | eng 0471719005b10750587-39ule_instLE01301559ExLDip.to Matematicaeng370.973AMS 97-XXZDM B00Rich, John Martin534863Challenge and response :education in American culture /John Martin RichNew York :J. Wiley & Sons,c1974ix, 294 p. ;26 cm.Includes bibliographiesEducation.b1075058721-09-0628-06-02991000738999707536LE013 B00 RIC11 (1974)12013000093260le013-E0.00-l- 00000.i1084355328-06-02Challenge and response911474UNISALENTOle01301-01-97ma -engus 01