Rumus Paten Matematika text Surabaya Pustaka Media 2014 Ind 224 Y. Triyoga Budi Widodo 078 YTR r 978-602-8214-90-2 INLIS000000000004704 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)