VENKATESWARLU, KANAMARLAPUDI. A Study on Anxiety in Upper Primary School Students in learning Mathematics. THE PRIMARY TEACHER, [S. l.], v. 41, n. `1, p. p.55–61, 2016. Disponível em: http://14.139.250.109/index.php/tpt/article/view/1268. Acesso em: 20 aug. 2025.