=LDR 00000nam 2200000 4500 =001 INLIS00000000004174 =005 20260815102230 =020 ##$$a 978-979-1446-03-7 =082 ##$$a 613.68 =100 1#$$a Heru Subaris =245 1 $$a Hygiene Lingkungan Kerja /$c Heru Subaris =260 ##$$a Yogyakarta :$b Mitra Cendekia Press,$c 2008 =650 ##$$a Keselamatan Kerja