Xingshi, Zhang. 2026. “INVESTIGATES HOW INTRINSIC AND EXTRINSIC MOTIVATION INFLUENCE PARTICIPATION IN MATHEMATICS EXTRACURRICULAR ACTIVITIES IN BEIJING’S ELEMENTARY SCHOOLS”. International Conference on Fundamental and Applied Research (I-CFAR) 2 (1):719-30. https://jurnal.undhirabali.ac.id/index.php/icfar/article/view/5389.