GEORGE , Reena; ABRAHAM , Mercy. Incidence of Underachievement in the Secondary and Higher Secondary Schools of Kerala. INDIAN EDUCATIONAL REVIEW, [S. l.], v. 45, n. 1, p. p. 85–91, 2009. Disponível em: http://14.139.250.109/index.php/ier/article/view/2021. Acesso em: 18 aug. 2025.