text Jakarta Dirjend. Pertanian tanaman pangan Direktorat Perluasan Areal pertanian 1986 Cet. 1 ind iii, 32 hlm ilus 21 cm Bibliografi : hlm. 28 Tanah - Konservasi 631.4 20090227023744.0 YOGYA-02090000023246 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)