Santika, Dewi, Febi Kurniawan, and Resty Gustiawati. 2021. “STUDI HASIL KONDISI MENTAL PESERTA EKTRAKURIKULER FUTSAL DI KECAMATAN TAMBUN SELATAN”. Jurnal Speed (Sport, Physical Education, Empowerment) 4 (01):9-18. https://journal.unsika.ac.id/index.php/speed/article/view/5428.