Pedoman usahatani lahan kering zone agro-ekosistem vulkanis KELOMPOK Penelitian Agro-Ekosistem (KEPAS) text s.l] Badan Penelitian dan Pengembangan Pertanian 1989 xi, 178 p. ill ; 24 cm LAHAN KERING USAHATANI AGRO-EKOSISTEM 631.45 631.45 INLIS000000000004761 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)