海量图书期刊资源，随时随地畅享阅读乐趣
EDUCATIONAL NEEDS OF FARMERS -A CROSSNATIONAL STUDYREINHOLD E. G. SACHS · 1979
THE FARMER AN ENTREPRENEUR PERSONALITY? : A SOCIO-PSYCHOLOGICAL ANALYSIS OF DECISION-MAKING, WITH SPECIAL REGARD TO THE ECONOMIC BEHAVIOUR OF FARMERSReinhold E. G. Sachs · 1973