Williams, Malcolm, 1953-
Science and social science: an introduction
Routledge, 2000
 Buku Teks SO
Boyd, Claude E.
Water Quality: An Introduction
Springer International Publishing, 2015
 eBooks
An introduction to water quality modelling
edited by A. James
John Wiley & Sons, 1984
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An introduction to water quality modelling
edited by A. James
John Wiley & Sons, 1993
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Shipman, James T.
An introduction to physical science
D.C. Heath, 1990
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