text Jakarta Haji Masagung 1993 Cet. 9 Ind xii,322 hlm 24 cm. SUMA'MUR P.K KESEHATAN KERJA 331.25 331.25 SUM h 979-412-106-1 INLIS000000000001556 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)