Sperling, L., & Loevinsohn, M. (1996). Using Diversity: Enhancing and Maintaining Genetic Resources on Farm. International Development Research Centre.
Tohutoru Kātū Chicago (17th ed.)Sperling, Louise, me Michael Loevinsohn. Using Diversity: Enhancing and Maintaining Genetic Resources on Farm. New Delhi: International Development Research Centre, 1996.
Tohutoro MLA (9th ed.)Sperling, Louise, me Michael Loevinsohn. Using Diversity: Enhancing and Maintaining Genetic Resources on Farm. International Development Research Centre, 1996.
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