PUBLISHER, Publisher. Stress-Related Illnesses and High School Students’ Performance in Mathematics: Implication for Facing the Challenges of Global Competitiveness . African Journal of Education,Science and Technology (AJEST), [S. l.], v. 1, n. 4, p. Pg 19–26, 2014. Disponível em: http://ajest.org/index.php/ajest/article/view/265. Acesso em: 3 apr. 2026.