Mencegah erosi text Jakarta Penebar Swadaya 1990 Cet. 3 ind 31 hlm ilus 21 cm Rini Wudianto Bibliografi : hlm. 32 Erosi - Pencegahan 627.52 Teknologi-XVIII/247/89 979-489-014-6 20090227024232.0 YOGYA-02090000028460 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)