00411nam a2200157Ia 450000500170000000800460001703700120006304000200007504100130009508400210010810000170012924500230014626000340016930000140020349000360021720250508163326.0008  250505s9999    xx            000 0 eng d  aTextual  aFEDLbengcFEDL  aeng2eng  a302.3, JAQqFEDL  aJaques David 0aLearning in groups  aLondon, UKbCroom Helm c1984  axiv,322p.  aNew Patterns of Learning Series