Ir. Purwono, MS text Jakarta Penebar Swadaya 2008 3 id iv+140hlm.;ilus.; 1523cm 633 979-002-028-1 180916 20180916014410 INLIS000000000006845 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)