Report Search Function Using TF-IDF for PBL Education. - Yuji Fukushima; Masako Shin; Keisuke Miyazaki; Takao Ito; Riki Yonekura; Mikiko Sode Tanaka (GCCE, 2020)

PBL Education Support System to Visualize Students' Attitudes. - Mikiko Sode Tanaka; Keisuke Miyazaki; Masako Shin; Takao Ito (LifeTech, 2022)