00640     2200217   4500001002100000005001500021035002000036007000300056008004100059020001800100082001000118084001600128100002700144245008500171260003400256300003400290650001200324856004800336990001900384990001900403INLIS00000000000330120200818113014  a0010-0820003301ta200818                g          0 ind    a979-526-164-9  a304.2  a304.2 RWA p0 arwan, Zoer'aini Djamal1 aPrinsip - prinsip Ekologi dan Organisasi :bekosistem, komunitas, dan lingkungan  aJakarta :bBumi Aksara,c1992  axiv, 210 hal :bIlus ;c21 cm  aEKOLOGi  aDinas Perpustakaan dan Kearsipan Kota Medan  a15343/PUM/2001  a15344/PUM/2001