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16by Siti Norazizah, Jamil“…The activated sludge is used as biological material to absorb the iron (II) in the contaminate…”
Published 2010
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18“…. This article also tries to identify issues of desert ecotourism including over pressurred on natural resources…”
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19“…. This article also tries to identify issues of desert ecotourism including over pressurred on natural resources…”
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