Yang Z, Wang T, Zhu M, Qu Z. How Did Mathematics Postgraduates Obtain Tacit Knowledge of Mathematical Problem Solving?. Am J Edu Learn [Internet]. 2017 Jun. 8 [cited 2025 Sep. 15];2(2):121-3. Available from: https://mail.onlinesciencepublishing.com/index.php/ajel/article/view/26