00436nam a2200157Ia 4500001001100000005001700011008004300028020001500071041000800086050001800094245004600112260007300158300000700231650002500238999001500263000002159520251012174642.0        s1973    xx                      c  a926411033X0 aeng00aLB41bO7 197310aLong-range policy planning in education/   aParisbOrganisation for Economic Co-operation and Developmentc1973   ap. 0aEducational planning  c8093d8093