00474nam a2200157Ia 450000500170000000800460001703700120006304000200007504100130009508400210010810000210012924500720015026000490022230000150027165000300028620250508151912.0008  250505s9999    xx            000 0 eng d  aTextual  aFEDLbengcFEDL  aeng2eng  a300.7, MARqFEDL  aMarshall Leon C. 0aCurriculum-making in the social studies : A social process approach  aNew York, USAbCharles Scribner's Sonsc1936  axvii,252p.  aSocial Science - Teaching