Studi kualitas habitat dan tata makrobenthos di perairan pantai timur pulau Nias propinsi Sumatera Utara text Pekanbaru Lembaga Penelitian UNRI 2000 Ind ix, 41 p. : ill. ; 29 cm. ix, 41 p. : ill. ; 29 cm. HURI, Eryan BENTHOS WATERS NORTH SUMATRA 574.587 574.587HURs INLIS000000000012940 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)