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2. Gunn, Clare A. (1991). "The Need for Multidisciplinary Tourism Education " In New Horizons in Tourism and Hospitality Education, Training and Research, edited by Robert D. Bratton, Frank Go, and J. R. Brent Ritchie. Calgary, Canada: World Tourism Education and Research Centre, University of Calgary, pp. 27-33.
3. Heard, Stuart, and W.J. McLaughlin (1991). "A Curriculum Development Process for Tourism, Recreation and Parks Education." In New Horizons in Tourism and Hospitality Education, Training and Research , edited by Robert D. Bratton, Frank Go, and J. R. Brent Ritchie. Calgary, Canada: World Tourism Education and Research Centre, University of Calgary, pp. 135-47.