Sugiyono text Bandung Alfabeta 2015 cet.22 id x,334p.:ills.; 24 cm Metode Penelitian -- metode penelitian kualitatif -- metode penelitian kuantitatif -- metode penelitian R dan D 001.891 979 8433 64 0 210426 20210426112226 INLIS000000000001091 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)