Santika, Dewi, Febi Kurniawan, and Resty Gustiawati. “STUDI HASIL KONDISI MENTAL PESERTA EKTRAKURIKULER FUTSAL DI KECAMATAN TAMBUN SELATAN”. Jurnal Speed (Sport, Physical Education, Empowerment) 4, no. 01 (August 5, 2021): 9–18. Accessed April 27, 2024. https://journal.unsika.ac.id/index.php/speed/article/view/5428.