na INLIS000000000017109 20210301105406 0010-0519017109 210301 g 0 ind ind 363.73 363.73 SIT u Sitepoe, Mangku Usaha Mencegah Pencemaran Udara / Mangku Sitepoe ; editor, Djony Herfan Cet.1 Jakarta : Gramedia Widiasarana Indonesia, 1997 ix, 78 hlm. ; 18 cm. Daftar Pustaka : hlm. 73-76 Polusi Udara Djony Herfan Koleksi Umum 979-669-156-6 784/PR/2000