text Jakarta Rineka Cipta 2002 Cetakan : 1 ind viii, 140 hlm. ;20.5 cm. 139 Keselamatan Kerja 331.2 979-518-559-4 20130515224628 INLIS000000000010980 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)