text Bogor Institut Pertanian Bogor 1987 Ind 116 p.: ill.; 29 cm 116 p.: ill.; 29 cm Kerjasama ilmiah pada S1 Jurusan Sosek Perikanan IPB, 1987 BUTARBUTAR, Rimmi FISHERIES ECONOMIC ANALYSIS NORTH SUMATRA 639 PSE 639 INLIS000000000004504 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)