Ting, H.L. and S. Sunarti 2022. 汉语作为第二语言习得语音格局研究综述: Review Study on Sound Pattern in Mandarin as Second Language Learning. ERUDITE: Journal of Chinese Studies and Education. 3, 2 (Dec. 2022), 24–36. DOI:https://doi.org/10.37134/erudite.vol3.2.2.2022.