1.
Muhammad Qasash Hasyim. Elementary School The Influence of Mental Training on Volleyball Team Performance at SMA 13 Makassar. JPHR [Internet]. 2025Dec.5 [cited 2026Apr.18];6(1):254-61. Available from: https://jurnal.stokbinaguna.ac.id/index.php/JPHR/article/view/5210