N. I. Mohd Nazim, A. F. Mohd Kassim, Z. Ismail, and N. A. Zaker, “Sleep Quality and Athletic Performance: Behavioral Insights from University Student Athletes”, JSSPJ, vol. 14, no. 2, pp. 9–17, Oct. 2025, doi: 10.37134/jsspj.vol14.2.2.2025.