Zhu, Yu, Andy S.L. Fung, and Hongyan Wang. 2013. “Revisiting the Effects of Pronunciation and Stroke Order Animation in Digital Flashcards on Memorization of Chinese New Words: Towards an Adapted Dual Coding Theory”. CALICO Journal 29 (3): 563-77. https://doi.org/10.11139/cj.29.3.563-577.