1. Regional Economics And Policy;Armstrong,2000
2. Bateman, D.I., Hughes, G.O., Lampkin, N.H., Midmore, P., Ray, C., 1993. Pluriactivity and the rural economy in less favoured areas of wales. Report for the ESRC. Department of Economics and Agricultural Economics, University of Wales, Aberystwyth.
3. Sustainable agriculture as an alternative path of farm business development;Bowler,1992
4. Centre for Rural Economics Research, 2002. Economic evaluation of the organic farming scheme: final report to DEFRA. Department of Land Economy, Cambridge University, Cambridge, 122 pp.
5. The spaces and ethics of organic food;Clarke;Journal of Rural Studies,2008