Yokee, Atisak, Woranuch Yamsang, and Suriyun Khatbanjong. “Diagnosis of Defects and Misconceptions in Mathematics on Complex Numbers of Matthayom Sueksa Five Students”. Journal for Developing the Social and Community 13, no. 3 (September 20, 2026): 465–484. accessed September 23, 2026. https://so03.tci-thaijo.org/index.php/rdirmu/article/view/305268.