SPES Foundation text Jakarta Gramedia Pustaka Utama 1993 xi, 259 p. 21 cm EKOLOGI EKONOMI-PERKEMBANGAN SUSTAINABLE 33 33 INLIS000000000005087 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)