Ingram, C. Denise
Nature-oriented tour operators: travel to developing countries / C. Denise Ingram, Patrick B. Durst.
KST: 81-13
* turizam u zemljama u razvoju
* znanstveni članak
* tourism in developing countries
1. Durst, Patrick B.
U: Journal of travel research. Vol. 28 (1989/90), No. 2. - 11-15.