Ruttan, V. W. (1994). Agriculture environment, and health: : sustainable development in the 21st century. Minneapolis, MN.: University of Minnesota Press.
Παραπομπή Chicago StyleRuttan, Vernon W. Agriculture Environment, and Health: : Sustainable Development in the 21st Century. Minneapolis, MN.: University of Minnesota Press, 1994.
Παραπομπή MLARuttan, Vernon W. Agriculture Environment, and Health: : Sustainable Development in the 21st Century. Minneapolis, MN.: University of Minnesota Press, 1994.
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