text Jakart Toko Gunung Agung 1996 Cet. 9 ind xi, 322 hlm. : ilus. ; 24 cm. Suma mur P.K. Keselamatan Kerja 331.25 YOPDYOG 20150413081617.0 YOGYA-02130000000230 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)