Mohamad Khalid, N. H., Mat Isa, N., & A. Fadhil, M. (2018). Penilaian kemahiran mental ke arah prestasi cemerlang atlet boling Ten-Pin MSSM 2018 negeri Perak: Mental skill assessment towards excellent achievement among MSSM 2018 Perak Ten-Pin bowling athletes. Jurnal Sains Sukan & Pendidikan Jasmani, 7(2), 42–52. https://doi.org/10.37134/jsspj.vol7.2.5.2018