text Jakarta PT. Elex Media Komputindo 1997 In 335 p. : ill. 29 cm A.G. Hermanto COMPUTER EXCEL 55 - INLIS000000000001018 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)