Open AccessA Study on the User Structure Analysis of Second Hand Market Apps -Focusing on Joongonara, Bungaejangter, Danggeunmarket-
Author(s) -
김성필
Publication year - 2021
Publication title -
han'gug sanhag gi'sul haghoe nonmunji/han-guk sanhak gisul hakoe nonmunji
Language(s) - English
Resource type - Journals
eISSN - 2288-4688
pISSN - 1975-4701
DOI - 10.5762/kais.2021.22.7.449
Subject(s) - ophthalmology , psychology , medicine