Widhi Harita, Adiwignya Nugraha, Suryanto Suryanto, and Rahkman Ardi. 2022. “Effect of Mindfulness Sport Performance Enhancement (MSPE) to Reduce Competitive State Anxiety on Karate Athletes”. Jurnal SPORTIF : Jurnal Penelitian Pembelajaran 8 (2):169-88. https://doi.org/10.29407/js_unpgri.v8i2.17807.