text Jakarta Penebar Swadaya 1993 Cetakan : 5 ind iv, 94 hlm. : ilus. ;21 cm. : Ilustrasi ; 21 cm Sri, Najiyati 94 Konservasi Air 631.7 631.7 SRI p 979-8031-79-2 240918 20240918082346 INLIS000000000008631 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)