Segitiga Siku Siku text Klaten PT Intan Pariwara 2008 ind 68 hlm Abduk Aziz Saifuddin Geometri 516 516 ABD k 979-28-0347-1 INLIS000000000000952 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)