00647     2200217   4500001002100000005001500021035002000036007000300056008004100059020001800100082001000118084001600128100002000144245009100164260004400255300003000299650001200329700002100341856004800362990001900410INLIS00000000000335420200818122749  a0010-0820003354ta200818                g          0 ind    a979-421-392-6  a304.2  a304.2 HED p0 aHeddy, Suwasono1 aPrinsip-Prinsip Dasar Ekologi :bSuatu bahasan tentang Kaidah Ekologi dan Penerapannya  aJakarta :bRaja Grafindo Persada,c1996  axviii, 271 hal ;c20,5 cm  aEkologi0 aKurniati, Mettuy  aDinas Perpustakaan dan Kearsipan Kota Medan  a14421/PUM/2000