論文刊行：Choi E (2021) Rethinking In/formality in Public Transport Management: Dynamics between State Intervention and the Current Practices of Tera Askebari in Addis Ababa．Nilo-Ethiopian Studies 26: 1-16.
論文刊行：Peng Y, Nobayashi A (2021) Cross-cultural research comparing the hunting tools and techniques of hunter-gatherers．Senri Ethnological Studies 106: 73-90.
