00723     2200265   4500001002100000005001700021008004100038020001800079035002400097082001300121090002300134100001900157245007200176250001100248260002800259300002200287500002300309650004200332700001700374850001500391985000600406999001500412999001500427999001500442YOGYA-0209000002880620090227024251.0                                   ind    a979-669-166-6  0010-020900000028806  a363.7392  a363.7392bSit UlT  aSITEPU, Mongka  aUsaha mencegah pencemaran udaracMangku Sitepu; editor Djony Herfan  acet. 1  aJakartabGrasindoc1997  aix, 78 hlmc18 cm  aBibliografi: 73-76  aUdara - Pencemaran - Aspek lingkungan  aHerfan, Jony  aYOPDYOG(B)  a3  a00P0003212  a00P0003213  a00P0003214