text Yogyakarta BPFE 1992 Cet. 1 ind xvi, 222 hlm . : ilus . ; 21 cm Sumber daya air 20101005090111370 YOGYA-10100000000948 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)