na INLIS000000000001616 20220614025213 0010-052200000001306 220614 g 0 ind Konservasi tanah dan air / Sitanala Arsyad ARSYAD, Sitanala Bogor : IPB Press, 2010 xiv, 472p. : ill. ; 23 cm. ISBN 979-493-003-2 631.6.02 SOILS WATERS. 1 631.6.02 631.6.02 ARS k cet.2 293/2010