Saifuddin Azwar text Yogyakarta Pustaka Pelajar 2009 Ed.11,Cet.1 146 hlm. : ilus. ; 24 cm. Bibliografi : hlm. 145 METODE PENELITIAN 001.42 001.42 AZW M 230222 20230222030922 INLIS000000000009439 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)