Purnama, Akhmad, Balai Besar Penelitian dan Pengembangan pelayanan Kesejahteraan Sosial (B2P3KS), Indonesia
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Jurnal Penelitian Kesejahteraan Sosial Vol. 14 No. 2 (2015): Jurnal Penelitian Kesejahteraan Sosial - Articles
Analyze on Social Insurance and Protection of Informal Workers
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