Sugiyono text Bandung CV Alfabeta 2019 Cet. 11 id viii, 158 p.: ill.; 21 cm Pengujian Statistik 303.714 978-979-8433-58-0 250804 20250804104805 INLIS000000000004421 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)