O. Barnanda Rizky, D. Defliyanto, Y. Yarmani, and A. Tri Fitrianto, “The Effect of Variations in Flexibility Training on the Service Ability of Bengkulu University Sepak Takraw Athletes”, J. Ilm. Pendidik. Jasm, vol. 8, no. 1, pp. 218–228, Mar. 2024.