Xu, X., Chen, C., Ma, J., Zhao, X., Jiao, M., & Xin, Z. (2020). The Use of a Novel Term Helps Preschoolers Learn the Concept of Angle: An Intervention Study With Chinese Preschool Children. Front Psychol.

Xu, Xiaohui, Chuansheng Chen, Jianfang Ma, Xiaoting Zhao, Mengwen Jiao, and Zhiyong Xin. "The Use of a Novel Term Helps Preschoolers Learn the Concept of Angle: An Intervention Study With Chinese Preschool Children." Front Psychol 2020.

Xu, Xiaohui, et al. "The Use of a Novel Term Helps Preschoolers Learn the Concept of Angle: An Intervention Study With Chinese Preschool Children." Front Psychol 2020.