Mohamad Khalid, Nur Haziyanti, et al. “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, vol. 7, no. 2, Oct. 2018, pp. 42-52, https://doi.org/10.37134/jsspj.vol7.2.5.2018.