SYOKWAA, K. A.; ALOKA, P. J.; NDUNGE, S. N. F. The Relationship between Anxiety Levels and Academic Achievement among Students in Selected Secondary Schools in Lang’ata District, Kenya. Journal of Educational and Social Research, London, U.K., v. 4, n. 3, p. 403, 2014. Disponível em: https://www.richtmann.org/journal/index.php/jesr/article/view/2740. Acesso em: 5 jul. 2022.