Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) SOMURA Hiroaki and KAZUMI Daisuke and OMATA Kohji,The Relationship between Examination Scores and the Timing of Lecture Video Viewing in a Flipped Classroom Plan,Japan Journal of Educational Technology,13498290,Japan Society for Educational Technology,2017,40,Suppl.,9-12,https://cir.nii.ac.jp/crid/1390282680205961216,https://doi.org/10.15077/jjet.s40007