text Djakarta [s.n.] 1968 ind 59 hlm 25 cm Tambang dan sumber pertambangan 20090227025931.0 YOGYA-02090000043148 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)