text Yogyakarta Gadjah Mada University Press 2009 Cet.13 Yogyakarta : Gadjah mada university Press xx,321 hlm ; 24 cm. SOEMARWOTO,Otto SANITASI NONE 333.7 SOE a 979-420-405-6 230914 20230914082312 INLIS000000000001067 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)