na INLIS000000000004933 20150119100104.0 a ||| | 170609| ||| | $a 979-518-213-7 $a 0010-011500000002937 $a 627 $a totok sutrisno $a teknologi penyedian air bersih $a 4 $a Jakarta $b Rineka cipta $c 2002 $a 1949/bel/2002