Principles of cultural co-operation /
Lewis, Sulwyn
Principles of cultural co-operation / Sulwyn Lewis. - París : UNESCO, 1971. - 27 p. - Reports and papers on mass communication ; 61 .
341. 232.7 (100) =20LEW No.61
Principles of cultural co-operation / Sulwyn Lewis. - París : UNESCO, 1971. - 27 p. - Reports and papers on mass communication ; 61 .
341. 232.7 (100) =20LEW No.61