Sugiyono text Bandung Alfabeta 2013 ind xiv, 630 hal.: ill. ; 25 cm. Sugiyono RESEARCH METHODS 001.42 001.42 Sug m 9786029328066 180731 20180731024659 INLIS000000000065694 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)