Laarman, Jan G.
      International travel by U.S. conservation groups and professional societies / Jan G. Laarman, Timothy P. Stewart, Jeffrey P. Prestemon. - 1989.

KST: 31; KST: 713
* istraživanje tržišta * ankete
* znanstveni članak

* market research * surveys

1. Stewart, Timothy P.
2. Prestemon, Jeffrey P.


U: Journal of travel research. Vol. 28 (1989/90), No. 1. - 12-17.

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