Implications of the UN/WTO tourism definitions for the U.S. tourism statistical systemDouglas C. Frechtling · First published 1995 · Latest edition 1996Open the Tome
World Travel and Tourism Review Vol. 2 : Indicators, Trends and Issues Volume 2J. R. Brent Ritchie, Donald E. Hawkins, Frank Go, Douglas Frechtling · First published 1996Open the Tome
Annotated bibliography on health and tourism issuesDouglas C. Frechtling · First published 1992Open the Tome
Travel economic impact modelDouglas C. Frechtling, United States Travel Data Center, United States. Bureau of Land Management · First published 1975Open the Tome