Yuliasih, Yuliasih, et al. “Shoulder Joint Flexibility of Pointer, Middle, and Shooter Players in Petanque Athletes, State University of Jakarta”. Jurnal Pendidikan Jasmani (JPJ), vol. 4, no. 2, Dec. 2023, pp. 308-16, doi:10.55081/jpj.v4i2.1699.