Propinsi Daerah Istimewa Yogyakarta Instalasi Penelitian dan Pengkajian Teknologi Pertanian Yogyakarta text Yogyakarta IPPTP 1997 LAND USE ECOSYSTEMS YOGYAKARTA Br. 631.4 Br. 631.4 INLIS000000000007126 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)