Telaah Kualitas air bagi pengelolaan sumber daya dan lingkungan perairan text Yogyakarta Kanisius 2003 Cet. 1 ind 258 hlm ilus 21 cm Hefni Efendi Bibliografi : hlm. 239-243 Indeks Air, analisis 543 979-21.0613-8 20090227033629.0 YOGYA-02090000055970 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)