Summary and analysis of international travel to the U.S.: United States Travel Service (U.S. Department of Commerce, Washington, D.C. 20230, USA), 1978, Free:

• Book ID: 119086955
• Publisher: Elsevier Science
• Year: 1978
• Tongue: English
• Weight: 62 KB
• Volume: 5
• Category: Article
• ISSN: 0160-7383
• DOI: 10.1016/0160-7383(78)90184-6