00646nam a22001457a 4500003000800000005001700008008004100025040002100066082001500087110005200102245025600154260003900410300002600449650002500475BD-DhUL20190520102843.0160717s1979    xxu |||| |||| 000 0 eng d  aBD-DhULcBD-DhUL  a338.9bUNP1 aUnited Nations - Economic Commission for Europe00aPlanning and development of the tourist industry in the eco region :bproceedings of the symposium on the planning and development of the tourist industry in the ECE region. held under the auspices of ECE at Dubrovnik (Yugoslavia) 13-18 October 1975 /  aNew York :bUnited Nations,c1976.  b iv, 198 p. ;c28 cm. 0aEconomic development