text Pekanbaru Lembaga Penelitian Universitas Riau 2000 Ind iv, 42 p. : ill. ; 29 cm. iv, 42 p. : ill. ; 29 cm. Bibl.: 37 RUFLI, Edward COASTAL AREAS ECOLOGY GEOLOGY RIAU 551.468 551.468RUFp INLIS000000000012858 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)