Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) ARAI Masataka,Trends of Practical Research in Social Studies Education in 2009,The Journal of Social Studies,09158154,Japanese Association for the Social Studies,2010,2010,110,119-129,https://cir.nii.ac.jp/crid/1390282680749549184,https://doi.org/10.18992/socialstudies.2010.110_119