00418cam a22001217a 4500008004000000082001400040100002000054245010500074260003300179300001500212440003100227650003800258180718b1982   xxu||||| |||| 00| 0 eng d  aP442 In8u  aDutcher, Nadine  aThe use of first and second languages in primary education: Selected case studiescby Nadine Dutcher  aWashington, D.C.bIBRDc1982  a62p. Paper  aStaff Working Paper No.504  aEducation, Primary - Case Studies