Southwick, Charles H., author
Ecology and the quality of our environment
D. Van Nostrand, 1972
 Buku Teks
Indonesia : resources, ecology, and environment
edited by Joan Hardjono
Oxford University Press, 1991
 Buku Teks
Indonesia : resources, ecology, and environment
edited by Joan Hardjono
Oxford University Press, 1991
 Buku Teks
Terrestrial plant ecology
by Michael G. Barbour ... [and others]
An Imprint of Addison Wesley Longman , 1998
 Buku Teks
Norton, Don C., author
Ecology of plant-parasitic nematodes
John Wiley & Sons, 1978
 Buku Teks
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