Chemical water treatment : principles and practice
edited by Henri Roques
VCH, 1996
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Hammer, Mark J.
Water and wastewater technology
Prentice-Hall, 2004
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Hammer, Mark J.
Water and wastewater technology
Prentice-Hall, 1996
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Schroeder, Edward D.
Water and wastewater treatment
McGraw-Hill, 1977
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Water and wastewater asia
Pablo Publishing Pte Ltd, 2002
 Majalah, Jurnal, Buletin