Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) NAKAMURA Yasuyuki and HIRANO Tomohisa and SHINOHARA Fumihiko,A Fundamental Study on the Effectiveness of Learners' Activities through Video Production Regarding Natural Resources Surrounding Them,Japanese Journal of Educational Media Research,13409352,Japan Association for Educational Media Study,2006,13,1,77-87,https://cir.nii.ac.jp/crid/1390282680812188032,https://doi.org/10.24458/jaems.13.1_77