1. Investments in human capital: a theoretical analysis;Becker;Journal of Political Economy,1962
2. Investing in cultural capital for sustainable use of natural resources;Berkes,1994
3. The forms of capital;Bourdieu,1986
4. Dynamics of Rural Areas: National Report Scotland;Bryden,2001
5. Cultural determinants of economic performance;Casson;Journal of Comparative Economics,1993