Wan Chik, W. F., N. K. ABU TALIP, and C. Siricord. “Effect of Eccentric Strength Training and Static Stretch on Hamstring Flexibility Among Futsal Players”. Jurnal Sains Sukan & Pendidikan Jasmani, vol. 8, no. 2, Nov. 2019, pp. 1-7, doi:10.37134/jsspj.vol8.2.1.2019.