Comparison of elementary teaching materi-als for Chinese as a foreign Language: —taking Liberal Chinese (Part I) and Learn Chinese with Me (Volume 1) as an example. 教育学文摘 [Internet]. 2025 Apr. 24 [cited 2025 Aug. 30];1(1):59-63. Available from: https://cn.erytis.com/index.php/Edu/article/view/57