CHAURASIA, Dr. Prateek. Investigating Conceptual Changes and Difficulties in Learning Mathematics during the Transitional Phase from Arithmetic to Algebra. Voices of Teachers and Teacher Educators, [S. l.], v. 10, n. 1, p. p. 93–101, 2021. Disponível em: http://14.139.250.109/index.php/vtte/article/view/1673. Acesso em: 18 aug. 2025.