Arif Akhyanto text Yogyakarta Pustaka Widyatama 2009 Cet.3 iv, 185 hlm. : ilus. ; 21 cm. MATEMATIKA 510.7 510.7 AKH R 979-610-261-7 230221 20230221015411 INLIS000000000005090 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)