text Bandung Remaja Rosdakarya Offset 1992 Cet.2 ind xi, 188 hlm ilus 21 cm alih bahasa Soeparmo Judul asli : The Trachtenberg Speed. System of Basic Mathematies Matematika 20090227022206.0 YOGYA-02090000012074 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)