Renaldi, K., and A. R. S. Tuasikal. “Analysis of Basketball Extracurricular Students Level of Interest in Terms of Intrinsic and Extrinsic Factors”. Sport Science, Vol. 26, no. 2, July 2026, pp. 1-12, http://sportscience.ppj.unp.ac.id/index.php/jss/article/view/324.