text Singapore Tech Publications 1986 Cet. 1 ind xx, 221 hlm.;21 cm. Turbo pascal (program komputer) 20110210120021790 YOGYA-02110000005473 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)