Yazar
Donald Keith Larson
3 cilt bulundu.
Cilt sonuçları
Problems of rural elderly households in Powell County, Kentucky
Donald Keith Larson · available from National Technical Information Service
25 sayfa · 1978
Rural elderly / Rural poor / Elderly poor
Economic analysis of farm firm growth in northcentral Montana
Donald Keith Larson · Montana Agricultural Experiment Station, Montana State University
123 sayfa · 1974
Agriculture / Economic aspects / Economic aspects of Agriculture / Mathematical models