Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) SATO Kazunori and NANJO Yu and ENDO Minami and MITSUI Kazuki and HORITA Tatsuya,Analysis of Students' Learning Activities and Teachers' Utterances by Teacher's History in Child-Centered Classes Through the Use of One-to-One PC Per Student,Japan Journal of Educational Technology,1349-8290,Japan Society for Educational Technology,2022-12-20,46,Suppl.,69-72,https://cir.nii.ac.jp/crid/1390013861768986240,https://doi.org/10.15077/jjet.s46037