H. P. Chapa Sirithunge, H. M. Ravindu T. Bandara, A. G. Buddhika P. Jayasekara, D. P. Chandima. Situation Awareness for Proactive Robots in HRI. In 2019 IEEE/RSJ International Conference on Intelligent Robots and Systems, IROS 2019, Macau, SAR, China, November 3-8, 2019. pages 7813-7820, IEEE, 2019. [doi]