00671nam a2200193 i 450000500170000000800410001701000170005802000170007504000280009205000190012008200180013924500840015726000520024130000270029344000570032050400510037765000230042870000260045120181210005127.0760109s1975 enk b 001 0 eng  a 75332535  a0710082851 : aDLCcDLCdDLCdBD-DhBPA00aLB1029.O6bP4700a371bNYP 197510aThe Philosophy of open education /cedited and with an introd. by David Nyberg. aLondon ;aBoston :bRoutledge & K. Paul,c1975. axiii, 213 p. ;c23 cm. 0aInternational library of the philosophy of education aIncludes bibliographical references and index. 0aOpen plan schools.1 aNyberg, David,d1943-