text Yogyakarta Balai Pengkajian Teknologi Pertanian Yogyakarta 2003 iii, 13 hlm. : ilus. ; 18 cm / Tri Joko Siswanto Bibliografi : hlm. 13 Kesuburan tanah-Kulon Progo 631.42598234 DEP 631.42598234 Tri P YOPDYOG 20150225112527.0 INLIS000000000002323 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)