Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) YAMADA Tsuyoshi and SUGISAWA Taketoshi and MURAI Jun'ichiro,Development of Item Database for Introductory Psychological Statistics,Japan Journal of Educational Technology,13498290,Japan Society for Educational Technology,2008,31,Suppl.,53-56,https://cir.nii.ac.jp/crid/1390001205228384000,https://doi.org/10.15077/jjet.kj00004964346