Hutahaean, Ramses Y. text Yogyakarta Andi 2006 ind 297 hlm. ; 23 cm. Teknik Mesin 621.04 621.04 HUT m 979-763-131-1 211201 20211201102851 INLIS000000000002421 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)