Kuantitatif, Kualitatif, Kombinasi dan R&D Sugiyono text Bandung Alfabeta 2018 334 : ilus ; 16 x 24 cm Metode Penelitian 001.42 001.42 SUG m 978-8433-64-0 2 20210217092018 INLIS000000000003463 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)