text yogyakrta Diva Press 2011 Cet.1 ind 311 hlm 20cm editoor, Maryah ulfah. hlm 309-311 Tokoh Matematika 920 978-602-191-112-8 YOPDYOG 20120216200634.0 YOGYA-02120000000290 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)