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A Study on Research Trend of Assistive Device for Patients With Dementia Using Text Mining Analysis

박치수(Chi-Soo Park), 이재신(Jae-Shin Lee), 차태현(Tae-Hyun Cha), 유두한(Doo-Han Yoo)

Analysing Korean Occupational Time Changing Trend Based on Ages Using 2004, 2009, 2014 Time Use Survey

김연주(Yeon-Ju Kim), 홍승표(Seung-Pyo Hong), 박혜연(Hae Yean Park)