Booker tropical soil manual : a handbook for soil survey and agricultural land evaluation in the tropics and subtropics
edited by J.R. Landon
Longman Scientific & Technical, 1984
 Buku Referensi
Anderson, J. M., editor
Tropical soil biology and fertility : a handbook of methods
CAB International, 1993
 Buku Referensi
Soil conservation & management in the humid tropics
edited by D.J. Greenland and R. Lal
John Wiley & Sons, 1979
 Buku Teks
Kezdi, Arpard, author
Handbook of soil mechanics
Elsevier, 1980
 Buku Referensi
Van Dersel, William Richard, author
The land renewed; the story of soil conservation
Oxford University Press, 1946
 Buku Teks
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