text Jakarta Erlangga 1983 Cet. 1 ind v, 76 hlm 21 cm M.L. Tobing Bibliografi : hlm. 75 Ekologi manusia 344.046 20090227024620.0 YOGYA-02090000031731 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)