Mengurai variabel hingga instrumentasi Mustafa EQ., Zainal text Yogyakarta Graha Ilmu 2013 ind xvi, 244 hal. : ilus. ; 23 cm. Zainal Mustafa EQ. Bibliografi : hal. 235 RESEARCH--METHODOLOGY 001.42 . 001.42 MUS m k.1 978-979-756-547-3 181003 20181003100407 INLIS000000000014954 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)