na INLIS000000000000721 20191212114928 0010-1118000082 ta 191212 g 0 ind 979-8433-64-0 001.42 001.42 SUG m Sugiyono Metode penelitian kuantitatif-kualitatif dan R&D / Sugiyono Bandung : Alfabeta, 2009 334p. ; 23cm Metode penelitian 00000002791 00000002792 00000002793 00000002794 00000003727