LEUANG, Vilai, and Panyda Kanorth. 2025. “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 (03):40-45. https://doi.org/10.69692/SUJMRD110340.