– Chathumi Ayanthi Kavirathna, Ryuichi Shibasaki,Trends and perspectives on Arctic shipping potential from scientific research, in: ID:08 – Arctic Engineering – Research Supporting a Better Life in the Cold, Arctic Science Summit Week 2021, 24 March 2021, online

– Chathumi Ayanthi Kavirathna, Ryuichi Shibasaki, Economic feasibility of Arctic shipping from multiple perspectives: a systematic review, Joint Seminar on Mombetsu Sea Ice Symposium 2021, 8 March 2021, online