1. Macaro, E., Woore, R. (eds.): Debates in Second Language Education. Routledge, New York (2022)
2. Yin, D.: How to improve the quality of international Chinese language education products. People’s Daily (Overseas Edition) (2021). http://paper.people.com.cn/rmrbhwb/html/2021-03/26/content_2040175.htm
3. Li, B.: Study on the International Chinese Language Spread Based on Bibliometrics, Liaoning Normal University Press, Shanghai (2022)
4. Wang, H., Han, J.: The construction of the development index for confucius institutes worldwide. J. Yunnan Normal Univ. (Teach. Learn. Chin. Foreign Lang. Ed.) Editorial 2 (2021)
5. Wu, Y.: On the index system of confucius institute assessment. Educ. Res. 32(8), 30–34, 92 (2011)