1. Tables for Statisticians;Arkin,1961
2. Deepening the Absorption of New Immigrants in the Development Towns and their Hinterland;Berler,1970
3. Social Statistics;Blalock,1972
4. British Issues Paper: Approaches to Tourism Planning Abroad;Braddon,1982
5. Some critical aspects of measurement theory and practice in travel research;Brent-Ritchie;Journal of Travel Research,1975