Open AccessExamining Users’ Opinion on Statistical Yearbook of Railroad : Using Focus Group Interviews of 2007 and 2017
Author(s) -
Ok Namkung,
JoonSung Chang
Publication year - 2017
Publication title -
gyotong jeongchaeg yeon'gu/gyotong yeongu
Language(s) - English
Resource type - Journals
eISSN - 2713-7090
pISSN - 1738-4028
DOI - 10.34143/jtr.2017.24.3.75
Subject(s) - yearbook , group (periodic table) , focus group , focus (optics) , psychology , computer science , political science , library science , business , marketing , chemistry , physics , organic chemistry , optics