The market for international congresses

ग्रंथसूची विवरण
मुख्य लेखक:	Gess, Karol N.
निगमित लेखकों:	Geither International, Inc, United States. Travel Service. Office of Research and Analysis
स्वरूप:	पुस्तक
भाषा:	English
प्रकाशित:	Washington U.S. Govt. Print. Off. 1975.
विषय:	Tourist trade. Congresses and conventions > Economic aspects.