Maharani PM, Sartono H, Kusumah W, Mulyana M. Self-Talk As a Regulatory Self-Confidence: A Descriptive Study of Athlete Long Jump. Ind. Jo. Spo. Man. [Internet]. 2024 Nov. 30 [cited 2025 May 10];4(4). Available from: https://ejournal.unma.ac.id/index.php/ijsm/article/view/11563