text Jakarta Penebar Swadaya 2008 ind 164 hlm. 26 cm. Estu Nugroho Ikan Air Tawar 639.31 YOPDYOG 20110331140652.0 YOGYA-03110000000766 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)