na INLIS000000000022144 20211025031615 0010-1021000128 ta 211025 i u ind 979-8433-64-0 000 001.42 SUG m Sugiyono Metode Penelitian Kuantitatif Kualitatif dan R&D / Sugiyono cet. 8 Bandung : Alfabeta, 2009 334 hlm : ilus ; 23 cm Pengetahuan 467/DKP/2021 467/DKP/2021 336/DKP/20322 336/DKP/2022 467/DKP/2021