Amir, P., & Knipscheer, H. C. (1989). Conducting on-farm animal research: Procedures & economic analysis. Winrock International Institute for Agricultural Development and International Development.
Citace podle Chicago (17th ed.)Amir, Pervaiz, a Hendrik C. Knipscheer. Conducting On-farm Animal Research: Procedures & Economic Analysis. Morrilton, AR: Winrock International Institute for Agricultural Development and International Development, 1989.
Citace podle MLA (9th ed.)Amir, Pervaiz, a Hendrik C. Knipscheer. Conducting On-farm Animal Research: Procedures & Economic Analysis. Winrock International Institute for Agricultural Development and International Development, 1989.
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