Yazar
k d romack
1 cilt bulundu.
Cilt sonuçları
Computer use to plan increased farm business returns
D. E. Erickson, R. F. Eickhorst, K. D. Romack · University of Illinois at Urbana-Champaign, College of Agriculture, Cooperative Extension Service
26 sayfa · 1971
Farm management / Data processing / Research