Langkah mudah menguasai SPSS 21 text Yogyakarta Andi 2013 Ed. 1 , Cet. 1 viii, 224 hlm. : ilus. ; 23 cm / C. Trihendradi; Editor, Hernita P. SPSS 21 (Program Komputer) 310 978-979-29-3988-0 YOPDYOG 20150904101445.0 INLIS000000000004581 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)