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Woo Woo, Chan-Yong Sung
한국환경생태학회 학술대회논문집 Vol.27 1 (2017.04) pp.47-48
Visitor Awareness on Trail Access-time Restriction and Safety Park-use Program in Jirisan National Parka
Woo Cho, Dong-Pil Kim, Joo-Ok Yoon
한국환경생태학회 학술대회논문집 Vol.24 1 (2014.04) pp.97-98