Cheng Liu
Soil properties : testing, measurement, and evaluation / Cheng Liu and Jack B. Evett
Prentice-Hall, 1997
Buku Teks
Cheng Liu
Soil properties : testing, measurement, and evaluation / Cheng Liu and Jack B. Evett
Prentice-Hall, 1984
Buku Teks
Jones, Colin J.F.P.
Earth reinforcement and soil structures
Butterworth; Thomas Telford, 1985
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Sulman, Elizabeth
Introduction to soil
Prentice-Hall, 1999
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Characteristics of composted bio-toilet residue and its potential use as a soil conditioner
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