Zhang, Yin, and Samuel Chu. “New Ideas on the Design of the Web-Based Learning System Oriented to Problem Solving From the Perspective of Question Chain and Learning Community”. The International Review of Research in Open and Distributed Learning 17, no. 3 (May 16, 2016). Accessed November 24, 2024. https://www.irrodl.org/index.php/irrodl/article/view/2115.