Prajogo U. Hadi text Bogor Puslit Sosek Pertanian 1996 68p ; ill; 28 cm SHIFTING CULTIVATION SOCIOECONOMIC DEVELOPMENT ECOLOGY SUMATERA PSE. 456 PSE. 456 240112 20240112091902 INLIS000000000007988 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)