Sugiyono text Bandung CV Alfabeta 2013 Cet.1 id xvi, 615 p.; 24 cm. metodologi penelitian 001.8 978-602-7825-84-0 250804 20250804104513 INLIS000000000003190 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)