Dahlan, N.D. and Muhamad, T.A. 2017. Mental toughness and academic achievement among footballers at National University of Malaysia: Kekuatan mental dan prestasi akademik atlet bola sepak Universiti Kebangsaan Malaysia. Jurnal Sains Sukan & Pendidikan Jasmani. 6, 1 (May 2017), 21–35. DOI:https://doi.org/10.37134/jsspj.vol6.1.3.2017.