论文信息 - Estimating returns on agricultural commodity extension - 字舞流文

Estimating returns on agricultural commodity extension

P. A. Donovan | M. Darroch

[1] F. White,et al. Optimal Expenditures for Agricultural Research and Extension: Implications of Underfunding , 1982 .

[2] W. Huffman. Returns to Extension: An Assessment , 1980 .

[3] A. A. Araji,et al. Returns to Agricultural Research and Extension Programs: An Ex-Ante Approach , 1978 .

[4] John P. Doll,et al. Production Economics: Theory with Applications , 1978 .

[5] R. Evenson,et al. National and international agricultural research & extension programs , 1975 .

[6] B. Davidson,et al. THE RELATIONSHIP BETWEEN YIELDS ON FARMS AND IN EXPERIMENTS , 1965 .