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1by Natural Agricultural and Food Policy workshop 1ʹ 1989 Washington, Spitze, Robert G. F. editor
Published 1990Texto bibliotecaECOSUR -
2by Estados Unidos Departamento de Agricultura, Guither, Harold D., Jones, Bob F., Martin, Marshall A., Spitze, Robert G. F.
Published 1989Texto bibliotecaECOSUR -
3Agricultural and food policy issues and alternatives for the 1990s Agricultural and food policy issues and alternatives for the 1990sby Spitze, Robert G. F., University of Illinois. Department of Agricultural Economics, National Agricultural and Food Policy Workshop 16-17 Nov. 1989:
Published c199Texto bibliotecaUBA FA