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2. Disguised Unemployment in British Agriculture;Errington;Journal of Rural Studies,1988
3. Harvey, D. R. , Barr, C. J. , Bell, M. , Bunce, R. G. H. , Edwards, D. , Errington, A. J. , Jollans, J. L. , McLintock, J. H. , Thompson, A. M. M. and Tranter, R. B. (1986). Countryside Implications for England and Wales of Possible Changes in the Common Agricultural Policy Reading: Centre for Agricultural Strategy, Reading University.
4. The Application of Modified Grit Input-output Procedures to Rural Development Analysis in Grampian Region;Johns;Journal of Agricultural Economics,1987