Yang, Zezhong, Tong Wang, Ming Zhu, and Zhaohua Qu. “How Did Mathematics Postgraduates Obtain Tacit Knowledge of Mathematical Problem Solving?”. American Journal of Education and Learning 2, no. 2 (June 8, 2017): 121–131. Accessed May 12, 2024. http://onlinesciencepublishing.com/index.php/ajel/article/view/26.