Educational research quantitatiue , qualitative, and mixed approaches text California sage Publishing 2012 4 th ed xxvi, 620 hlm : ilus ; 26 cm ( 3 eks.) / Burke Johnson, Larry Christensen Indeks Bibliografi : hlm 598-608 Pendidikan-Metode Penelitian Q 370.72 Q 370.72 Joh E 978-1-4129-7828-6 YOPDYOG 20140823125745 YOGYA000000000100544 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)