LEUANG, Vilai, and Panyda Kanorth. “A Study on Mathematics Learning Achievement in Systems of Linear Equations With Two Variables Using the Brainstorming Technique for Third-Year Secondary School Students at the Demonstration Secondary School of Savannakhet Teacher Training College”. Souphanouvong University Journal Multidisciplinary Research and Development 11, no. 03 (July 22, 2025): 40–45. Accessed January 17, 2026. http://www.su-journal.com/index.php/su/article/view/999.