na INLIS000000000013253 20130612104657 Ind 010-061300000013253 Ind 631.45 631.45, Rah p Rahim, Supli Effendi Pengendalian erosi tanah, Supli Effendi Rahim 2003 Jakarta 148 hlm, ilus, 21 cm Tanah, Pengawetan NBPNMAT