J Park, M Choi, J Ahn - Journal of Internet Computing and Services, 2017 - koreascience.kr
Smartphone users hit over eighty-five percentage of Korean populations and personal private items and various information are stored in each user's smartphone. There are so …
S Lee, O Lee - Journal of the Korea Academia-Industrial …, 2017 - koreascience.kr
Advancement of science and technology have led to development of the media, which has evolved election campaign strategies. Nowadays, media development has made …