Legislation on worker social security = peraturan perundang-undangan tentang jaminan sosial tenaga kerja Jamsostek text Jakarta YKKPI 2001 Cet. 1 ind ix, 253 hlm 30 cm Asuransi sosial - Undang-undang peraturan dsb 20150420154114.0 YOGYA-02090000022216 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)