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1by Ward, J. T. (John Trevor), 1927-“...Agricultural Economics Research Unit, Lincoln College],...”
Published 1965
Conference Proceeding Book -
2by Court, R. H. (Robin Howell)“...Agricultural Economics Research Unit, Lincoln College,...”
Published 1966
Book -
3by Yandle, Christopher A.“...Lincoln College], Agricultural Economics Research Unit,...”
Published 1970
Book -
4