Kualitas air sungai di Kodya Padang ditinjau dari segi biologis ABBAS, Idrus USMAN, Rustam RANGKUTI, Dorlan text Padang Universitas Andalas 1981 ind
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27 p. : ill. ; 28 cm. Idrus Abbas, Rustam Usman, Dorlan Rangkuti RIVERS WATER QUALITY BIOLOGICAL PROPERTIES 551.482.214 551.482.214 ABB k 231124 20231124121636 INLIS000000000061884 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)