na INLIS000000000006637 I 0010-0317006635 Metode penelitian survei Morissan 1st ed. Jakarta : Kencana 2012 xii, 426 hlm. 23 cm 978-602-8730-99-0 001.42 Mor m 001.42 RESEARCH-METHODOLOGY 174312211 174312211 174312211