DAHLAN, N. D.; MUHAMAD, T. A. 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, [S. l.], v. 6, n. 1, p. 21–35, 2017. DOI: 10.37134/jsspj.vol6.1.3.2017. Disponível em: https://ejournal.upsi.edu.my/index.php/JSSPJ/article/view/945. Acesso em: 18 jun. 2024.