Wickens, G. E. (2001). Economic botany: Principles and practices. Kluwer academic.
Tohutoru Kātū Chicago (17th ed.)Wickens, Gerald E. Economic Botany: Principles and Practices. London: Kluwer academic, 2001.
Tohutoro MLA (9th ed.)Wickens, Gerald E. Economic Botany: Principles and Practices. Kluwer academic, 2001.
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