ebrary, Inc, Navarro, L. A., & Phiri, G. (2000). Water hyacinth in Africa and the Middle East: A survey of problems and solutions. International Development Research Centre.
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Chicago-čujuhus (17. p.)
ebrary, Inc, L. A. Navarro, juo George Phiri. Water Hyacinth in Africa and the Middle East: A Survey of Problems and Solutions. Ottawa: International Development Research Centre, 2000.
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MLA-čujuhus (9. p.)
ebrary, Inc, et al. Water Hyacinth in Africa and the Middle East: A Survey of Problems and Solutions. International Development Research Centre, 2000.
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