Sugiyono text Bandung CV Alfabeta 2021 Cet. 4 id vi, 274 p.: ill.; 24 cm metode penelitian 303.022 978-602-289-325-7 250804 20250804104804 INLIS000000000004417 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)