Takamatsu, Kunihiko, Yasuhiro Kozaki, Aoi Kishida, Kenya Bannaka, Kenichiro Mitsunari, and Yasuo Nakata. 2018. “ANALYZING STUDENTS’ COURSE EVALUATIONS USING TEXT MINING: VISUALIZATION OF OPEN-ENDED RESPONSES IN A CO-OCCURRENCE NETWORK”. PEOPLE: International Journal of Social Sciences 4 (3):142-53. https://doi.org/10.20319/pijss.2018.43.142153.