na INLIS000000000000072202402211040100010-0920000001ta240221 g 0 ind 978-602-289-533-6001.42001.42 SUG mSugiyonoMetode penelitian kuantitatif kualitatif dan R&D /Sugiyonoed.2Bandung :Penerbit Alfabeta,2019444 ;24 cmmetodologi penelitianKelas 00000000008136000000000870000000009300000000094