Erna Susilowati text Surakarta PT Widya Duta Grafika 2009 - vi, 74 hlm. : ilus. ; 21 cm. Erna Susilowati Ekonomi 330 330 ERN b 979517544-0 20190207013129 INLIS000000000000699 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)