00347nam a2200145Ia 450000500170000000800460001703700120006304000200007504100130009508400090010810000130011724500470013026000090017730000150018620250923144524.0008  250917s9999    xx            000 0 eng d  aTextual  aDSWLbengcDSWL  aeng2eng  qDSWL  aGood     0aMethodology of education researchcby Good  c1941  axxii,890p.