na INLIS000000000002305 20150413090054.0 a ||| | 170609| ||| | 979-526-016-2 0010-011500000000308 001.4 MAR m Mardalis Metode penelitian : Suatu pendekatan proposal Cet.9 Jakarta Bumi Aksara 2003 Metode Penelitian 5187/BPU/2000 8/10/b1387/2008