Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) NAGATA Tomoko and SUZUKI Mariko and INAGAKI Shigenori and MORIHIRO Koichiro,Teaching portfolios developed by in-service teachers with a blog,Japan Journal of Educational Technology,13498290,Japan Society for Educational Technology,2008,31,Suppl.,161-164,https://cir.nii.ac.jp/crid/1390282680205129344,https://doi.org/10.15077/jjet.kj00004964373