na INLIS000000000002582 20221028025921 0010-0922000288 ta 221028 g 0 ind 978-979-493-650-4 303.1 303.1 DID p didik suharjito pengantar metodologi penelitian 1 bogor : IPB Press, 2014 112 : ill ; 23 cm Metode Penelitian Perpustakaan BBP2TP 2620/BL/2019 a2620/BL/2019