na INLIS000000000002302 20161019133404.0 a ||| | 170609| ||| | 978-979-461-485-3-1 0010-011500000000305 001.4 MET m Metstika Sed Metode penelitian kepustakaan 1 Jakarta Yayasan Obor Indoensia 2008 Metodologi penelitian 0006/10/B1180/2008