Yazar
steven t sonka
4 cilt bulundu.
Cilt sonuçları
American farm-size structure in relation to income and employment opportunities of farms, rural communities and other sectors
Steven T. Sonka · Center for Agricultural and Rural Development, Iowa State University
102 sayfa · 1974
Agriculture / Economic aspects of Agriculture / Size of Farms
Economics of weather modification
Steven T. Sonka · Illinois State Water Survey
57 sayfa · 1979
Economic aspects of Weather control / Weather control
Income and structure of American agriculture under future alternatives of farm size, policies, and exports
Steven T. Sonka · Center for Agricultural and Rural Development, Iowa State University
109 sayfa · 1975
Agriculture / Economic aspects of Agriculture / Farm income / Economic aspects