=LDR 00000nam 2200000 4500 =001 INLIS00000000000616 =005 20260709133248 =020 ##$$a 979-8433-64-0 =100 1#$$a Sugiyono =245 1 $$a Metode Penelitian Kuatitatif Kualitatif dan R&D /$c Sugiyono =260 ##$$a Bandung :$b Alfa Beta,$c 2017 =650 ##$$a Riset