00495     2200169   4500001002100000005001500021035002000036008004100056245004600097100001300143260004300156300003000199084002600229520004000255082001000295650002000305INLIS00000000000009420250903074647  a0010-0421000094250903                           0 ind  1 aPetunjuk Praktis: Keselamatan Kerja jil.1  aSoedjono  aJakarta :bBharata Karya Aksara,c1985  cada 2 Jil.: ilus.; 21 cm.  a363.1 SOE p Jil.1 k.1  aMengenai petunjuk keselamatan kerja  a363.1 4aKESEHATAN KERJA