na INLIS000000000003651 20151116095231.0 a 141002 2005 yoi ind 979-21-0840-8 010-101400000000033 [21] 628.16 628.16 Sir i SIREGAR, Sakti A Instalasi pengolahan air limbah / Sakti A. Siregar Jakarta : Kanisius, 2005 112 hlm. ; 21 cm Bibliografi : hlm 112 PENGOLAHAN AIR LIMBAH SUPUDES 2646/KPAD/DS/2005