Mencegah erosi text Jakarta Penebar Swadaya 1992 Cet. 5 ind 31 hlm ilus 21 cm Rini Wudianto Bibliografi : hlm. 32 Erosi - Pencegahan 631.45 Seri Teknologi : xviii/247/89 979-489-014-6 20090227024856.0 YOGYA-02090000034276 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)