"Khuria Amila,Hiroyuki Umemuro","The effect of creative tasks on affective experience in group work",,"The Japanese Journal of Ergonomics","Japan Human Factors and Ergonomics Society","Vol. 56","No. 6","pp. 231-244",2020,Dec.
"Reina Shimizu,Hiroyuki Umemuro","Social Sharing of Emotions with Robots and the Influence of a Robotfs Nonverbal Behavior on Human Emotions","The 12th International Conference on Social Robotics","Lecture Notes in Artificial Intelligence","Springer","  12483",,"  308-319",2020,Nov.
"Yoshiki Nakamura,Hiroyuki Umemuro","The Effect of Robot Gaze Direction While Idle on User Comfort and Subjective Impressions","The 29th IEEE International Conference on Robot & Human Interactive Communication","Proceedings of The 29th IEEE International Conference on Robot & Human Interactive Communication",,,,,2020,Aug.