Trik - Trik Berhitung / editor, Heni, Kusumawati; penerjemah, Bachtiar Bima, Mustriana text Bandung Pakar raya 2007 Cetakan : 6 ind xiii, 142 hlm. ;23.5 cm. Berhitung 513 0-471-10639-9 20130515151809 INLIS000000000005183 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)