Characteristics of Junior Ranger Activity Books of U.S. National Parks and Their Implications for Geomorphological Education in Korea (미국 국립공원 주니어레인저 워크북 특성 및 국내 지형교육에의 시사점)
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- Journal of The Geomorphological Association of Korea
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- v.28 no.1
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- pp.101-114
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- 2021