Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) OKAWA Kohei and JIMENEZ Felix and AKIZUKI Shuichi and YOSHIKAWA Tomohiro,Learning Effects of Collaborative Learning between Educational Support Robots Using a Perplexion Estimation Method and college students,Proceedings of the Annual Conference of JSAI,2758-7347,The Japanese Society for Artificial Intelligence,2023,JSAI2023,0,4O2GS804-4O2GS804,https://cir.nii.ac.jp/crid/1390859758174931200,https://doi.org/10.11517/pjsai.jsai2023.0_4o2gs804