Hasan Basri Siregar text Yogyakarta Graha Ilmu 2010 id 146hlm;16x23cm Teknologi (Ilmu terapan) 604 978-979-756-592-3 241224 20241224115217 INLIS000000000016887 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)