7 1 40 Uma Sekaran Additional Author mixed material 9796913178 Jakarta Salemba Empat 2006 3531.jpg.jpg Pendekatan Kuantitatif, Kualitatif Dan R Dan D / Sugiyono Sugiyono Additional Author mixed material 9789798433245 Bandung Alfabeta 2009 Metode_Penelitian_Bisnis.jpg Cooper, Donald R. Primary Author Schindler, Pamela S. Primary Author mixed material 0072314516 Hoboken, NJ Mc Graw-Hill Book Company 2001 IMG_0470.jpg Murti Sumarni Additional Author Salamah Wahyuni Additional Author mixed material Yogyakarta Andi 2006 Metodologi_Penelitian_Bisnis.jpg Mudrajad Kuncoro Additional Author mixed material Jakarta Erlangga 2003 Metode_Riset_untuk_Bisnis_dan_Ekonomi.jpg Donald R. Cooper Additional Author C. William Emory Additional Author alih bahasa Widjono Soetjipto Additional Author mixed material 9794116688 Jakarta Erlangga 1998 Metode_Penelitian_Bisnis_%28_Jilid_2_Edisi_Kelima_%29.jpg Uma Sekaran Additional Author mixed material 9796913151 Jakarta Salemba Empat 2006