Indah Emilia wijayanti dkk text Yogyakarta Gajah Mada university prees 2021 1 117 : ilus ; 16cmx24 hal. 117 Aljabar 371 371 IND d Ada 20250731112444 INLIS000000000012376 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)