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Obstacles to international travel and tourism
Ascher, Bernard, (1984)
Measurement and classification of service sector activity : data needs for GATS 2000
Whichard, Obie G., (2001)
Capital expenditures by majority-owned foreign affiliates of U.S. companies : 1975 and 1976 and 1966-76 trends
Whichard, Obie G., (1976)