Oktavia, I., and G. R. Affandi. “Achievement Motivation and Competitive Anxiety Among Taekwondo Athletes: Motivasi Prestasi Dan Kecemasan Kompetitif Di Kalangan Atlet Taekwondo”. Academia Open, vol. 10, no. 1, Feb. 2026, p. 10.21070/acopen.10.2025.13333, doi:10.21070/acopen.10.2025.13333.