SingaKids: A Multilingual Multimodal Dialogic Tutor for Language Learning. - Zhengyuan Liu; Geyu Lin; Hui Li Tan; Huayun Zhang; Yanfeng Lu; Xiaoxue Gao; Stella Xin Yin; He Sun; Hock Huan Goh; Lung-Hsiang Wong; Nancy F. Chen (CoRR, 2025)