Microsoft Corporation text Singapore Microsoft Corporation 1993 xii,270 hlm : ilus.; 23 cm Microsoft Corporation Microsoft windows MS DOS 6.2 001.6 001.6 C 20210819080038 INLIS000000000000472 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)