na YOGYA-02090000028459 20090227024232.0 ind 979-489-014-6 010-020900000028459 627.5 627.5 Wud M T WUDIANTO, Rini Mencegah erosi Rini Wudianto; ilustrator J. Sugito Cet. 2 Jakarta Penebar Swadaya 1989 31 hlm ilus 21 cm Erosi - Pencegahan SUGITO, J YOPDYOG(B) 1 P000029987