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Showing results 1 to 2 of 2
Song, Juyoung; Han, Yoonsun; Kim, Kwanghyun; Song, Tae Min
Telematics and Informatics, Vol.54, p. 101472
Kim, Bu Kyung; Park, Jisu; Jung, Hi Jae; Han, Yoonsun
Children and Youth Services Review, Vol.118, p. 105349