Yamada, S., Takada, A., & Kessi, S. (Eds.). (2021). Knowledge, education, and social structure in Africa. Bamenda, Cameroon: Langaa RPCIG <https://www.africanbookscollective.com/books/knowledge-education-and-social-structure-in-africa>. CCIメンバーでは，高田が編著者(Introduction, Chapter 2)として寄稿しています．
