Gittinger, J. P. (1982). Economic analysis of agricultural projects. Johns Hopkins University Pr.; Washington.
Tohutoru Kātū Chicago (17th ed.)Gittinger, J. Price. Economic Analysis of Agricultural Projects. Baltimore: Johns Hopkins University Pr.; Washington, 1982.
Tohutoro MLA (9th ed.)Gittinger, J. Price. Economic Analysis of Agricultural Projects. Johns Hopkins University Pr.; Washington, 1982.
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