Silverman, David
Interpreting Qualitative Data: Methods for Analyzing Talk, Text and Interaction
Sage, 2006
 Buku Teks SO
Miles, Matthew B.
Qualitative data analysis : a methods sourcebook
Sage, 2014
 Buku Teks SO
Iwan Ariawan
Analisis data survei dengan stata
Jur. Biost. & Kependudukan FKM UI, 1996
 Buku Teks SO
Putri Marlina
Bagan kendali berdasarkan median dan median absolute deviation = Control chart based on median and median absolute deviation
Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 2012
 UI - Skripsi Open
Analysing qualitative data in psychology
Evanthia Lyons, Adrian Coyle
Sage, 2007
 Buku Teks SO