Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) MITSUI Kazuki,Development of “Learning Icons”and Evaluation of Their Effectiveness in Communicating Class Agendas to Students and Teachers,Japan Journal of Educational Technology,13498290,Japan Society for Educational Technology,2018,41,Suppl.,057-060,https://cir.nii.ac.jp/crid/1390282680205349888,https://doi.org/10.15077/jjet.s41035