text Jakarta Gramedia Pustaka Utama 1993 ind x, 127 hlm.;ilus.;21 cm. Matematika 979-511-454-9 20110210123808388 YOGYA-02110000006437 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)